Home / 40,691.22-61,046.13-15,731.46

Finding the Fourth Proportional to 40,691.22, 61,046.13 and 15,731.46

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Solution

The fourth proportional to 40,691.22, 61,046.13 and 15,731.46 is: 23,600.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,691.22 : 61,046.13 = 15,731.46 : x
  2. Step 2: Convert to fraction form
    40,691.22/61,046.13 = 15,731.46/x
  3. Step 3: Cross multiply
    40,691.22x = 61,046.13 × 15,731.46
  4. Step 4: Simplify right side
    40,691.22x = 960,344,752.25
  5. Step 5: Solve for x
    x = 960,344,752.25/40,691.22
  6. Step 6: Final answer
    x = 23,600.79

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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.