Home / 47,779.16-71,668.73-21,453.14

Finding the Fourth Proportional to 47,779.16, 71,668.73 and 21,453.14

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Solution

The fourth proportional to 47,779.16, 71,668.73 and 21,453.14 is: 32,179.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,779.16 : 71,668.73 = 21,453.14 : x
  2. Step 2: Convert to fraction form
    47,779.16/71,668.73 = 21,453.14/x
  3. Step 3: Cross multiply
    47,779.16x = 71,668.73 × 21,453.14
  4. Step 4: Simplify right side
    47,779.16x = 1,537,519,531.12
  5. Step 5: Solve for x
    x = 1,537,519,531.12/47,779.16
  6. Step 6: Final answer
    x = 32,179.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.