Home / 40,760.38-61,139.13-11,177.74

Finding the Fourth Proportional to 40,760.38, 61,139.13 and 11,177.74

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Solution

The fourth proportional to 40,760.38, 61,139.13 and 11,177.74 is: 16,766.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,760.38 : 61,139.13 = 11,177.74 : x
  2. Step 2: Convert to fraction form
    40,760.38/61,139.13 = 11,177.74/x
  3. Step 3: Cross multiply
    40,760.38x = 61,139.13 × 11,177.74
  4. Step 4: Simplify right side
    40,760.38x = 683,397,298.97
  5. Step 5: Solve for x
    x = 683,397,298.97/40,760.38
  6. Step 6: Final answer
    x = 16,766.22

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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.