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Finding the Fourth Proportional to 32,671.05, 49,000.72 and 8,655.52

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Solution

The fourth proportional to 32,671.05, 49,000.72 and 8,655.52 is: 12,981.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,671.05 : 49,000.72 = 8,655.52 : x
  2. Step 2: Convert to fraction form
    32,671.05/49,000.72 = 8,655.52/x
  3. Step 3: Cross multiply
    32,671.05x = 49,000.72 × 8,655.52
  4. Step 4: Simplify right side
    32,671.05x = 424,126,711.97
  5. Step 5: Solve for x
    x = 424,126,711.97/32,671.05
  6. Step 6: Final answer
    x = 12,981.73

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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.