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Finding the Fourth Proportional to 32,251.71, 48,373.91 and 11,187.86

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Solution

The fourth proportional to 32,251.71, 48,373.91 and 11,187.86 is: 16,780.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,251.71 : 48,373.91 = 11,187.86 : x
  2. Step 2: Convert to fraction form
    32,251.71/48,373.91 = 11,187.86/x
  3. Step 3: Cross multiply
    32,251.71x = 48,373.91 × 11,187.86
  4. Step 4: Simplify right side
    32,251.71x = 541,200,532.73
  5. Step 5: Solve for x
    x = 541,200,532.73/32,251.71
  6. Step 6: Final answer
    x = 16,780.52

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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.