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Finding the Fourth Proportional to 59,857.17, 89,785.21 and 22,921.17

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Solution

The fourth proportional to 59,857.17, 89,785.21 and 22,921.17 is: 34,381.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,857.17 : 89,785.21 = 22,921.17 : x
  2. Step 2: Convert to fraction form
    59,857.17/89,785.21 = 22,921.17/x
  3. Step 3: Cross multiply
    59,857.17x = 89,785.21 × 22,921.17
  4. Step 4: Simplify right side
    59,857.17x = 2,057,982,061.90
  5. Step 5: Solve for x
    x = 2,057,982,061.90/59,857.17
  6. Step 6: Final answer
    x = 34,381.55

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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.