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Finding the Fourth Proportional to 62,388.28, 93,647.22 and 36,144.28

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Solution

The fourth proportional to 62,388.28, 93,647.22 and 36,144.28 is: 54,253.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,388.28 : 93,647.22 = 36,144.28 : x
  2. Step 2: Convert to fraction form
    62,388.28/93,647.22 = 36,144.28/x
  3. Step 3: Cross multiply
    62,388.28x = 93,647.22 × 36,144.28
  4. Step 4: Simplify right side
    62,388.28x = 3,384,811,340.90
  5. Step 5: Solve for x
    x = 3,384,811,340.90/62,388.28
  6. Step 6: Final answer
    x = 54,253.96

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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.