Home / 47,981.59-71,985.14-16,391.60

Finding the Fourth Proportional to 47,981.59, 71,985.14 and 16,391.60

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Solution

The fourth proportional to 47,981.59, 71,985.14 and 16,391.60 is: 24,591.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,981.59 : 71,985.14 = 16,391.60 : x
  2. Step 2: Convert to fraction form
    47,981.59/71,985.14 = 16,391.60/x
  3. Step 3: Cross multiply
    47,981.59x = 71,985.14 × 16,391.60
  4. Step 4: Simplify right side
    47,981.59x = 1,179,951,841.77
  5. Step 5: Solve for x
    x = 1,179,951,841.77/47,981.59
  6. Step 6: Final answer
    x = 24,591.76

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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.