Home / 40,691.82-56,155.98-22,787.28

Finding the Fourth Proportional to 40,691.82, 56,155.98 and 22,787.28

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Solution

The fourth proportional to 40,691.82, 56,155.98 and 22,787.28 is: 31,447.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,691.82 : 56,155.98 = 22,787.28 : x
  2. Step 2: Convert to fraction form
    40,691.82/56,155.98 = 22,787.28/x
  3. Step 3: Cross multiply
    40,691.82x = 56,155.98 × 22,787.28
  4. Step 4: Simplify right side
    40,691.82x = 1,279,642,039.93
  5. Step 5: Solve for x
    x = 1,279,642,039.93/40,691.82
  6. Step 6: Final answer
    x = 31,447.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.