Home / 53,779.01-80,691.19-28,812.38

Finding the Fourth Proportional to 53,779.01, 80,691.19 and 28,812.38

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Solution

The fourth proportional to 53,779.01, 80,691.19 and 28,812.38 is: 43,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,779.01 : 80,691.19 = 28,812.38 : x
  2. Step 2: Convert to fraction form
    53,779.01/80,691.19 = 28,812.38/x
  3. Step 3: Cross multiply
    53,779.01x = 80,691.19 × 28,812.38
  4. Step 4: Simplify right side
    53,779.01x = 2,324,904,753.45
  5. Step 5: Solve for x
    x = 2,324,904,753.45/53,779.01
  6. Step 6: Final answer
    x = 43,230.71

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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.