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Finding the Fourth Proportional to 44,787.92, 67,182.52 and 18,489.68

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Solution

The fourth proportional to 44,787.92, 67,182.52 and 18,489.68 is: 27,734.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,787.92 : 67,182.52 = 18,489.68 : x
  2. Step 2: Convert to fraction form
    44,787.92/67,182.52 = 18,489.68/x
  3. Step 3: Cross multiply
    44,787.92x = 67,182.52 × 18,489.68
  4. Step 4: Simplify right side
    44,787.92x = 1,242,183,296.39
  5. Step 5: Solve for x
    x = 1,242,183,296.39/44,787.92
  6. Step 6: Final answer
    x = 27,734.78

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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.