# 43 is 2 percent of what number?

## 2150

## (43 is 2 percent of 2150)

### 43 is 2 percent of 2150. Explanation: What does 2 percent or 2% mean?

Percent (%) is an abbreviation for the Latin “per centum”, which means per hundred or for every hundred. So, 2% means 2 out of every 100.

### Methods to calculate "43 is 2 percent of what number" with step by step explanation:

#### Method 1: Diagonal multiplication to calculate "43 is 2 percent of what number".

- As given: For 2, our answer will be 100
- Assume: For 43, our answer will be X
- 2*X = 100*43 (In Steps 1 and 2 see colored text; Diagonal multiplications will always be equal)
- X = 100*43/2 = 4300/2 = 2150

#### 43 is 2 percent of 2150

#### Method 2: Same side division to calculate "43 is 2 percent of what number".

- As given: For 2, our answer will be 100
- Assume: For 43, our answer will be X
- 100/x = 2/43 (In Step 1 and 2, see colored text; Same side divisions will always be equal)
- 100/X = 2/43 or x/100 = 43/2
- X = 43*100/43 = 4300/2 = 2150

#### 43 is 2 percent of 2150

### Percentage examples

Percentages express a proportionate part of a total. When a total is not given then it is assumed to be 100. E.g. 43% (read as 43 percent) can also be expressed as 43/100 or 43:100.Example: If 43% (43 percent) of your savings are invested in stocks, then 43 out of every 100 dollars are invested in stocks. If your savings are $10,000, then a total of 43*100 (i.e. $4300) are invested in stocks.

### History of Percentage

Before the Europeans learned about the decimal system, ancient Romans used fractions in the multiples of 1/100. An example was when Augustus levied a tax of 1/100 called centesima rerum venalium on goods sold at auctions. Computation with these fractions was similar to percentages.In the Middle Ages, denominator of 100 became more common. By the 16th century, as decimal system became more common, use of percentage became a standard. It was used to compute profit and loss, interest rates etc.

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