Home / 47,974.20-71,960.80-16,383.90

Finding the Fourth Proportional to 47,974.20, 71,960.80 and 16,383.90

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Solution

The fourth proportional to 47,974.20, 71,960.80 and 16,383.90 is: 24,575.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,974.20 : 71,960.80 = 16,383.90 : x
  2. Step 2: Convert to fraction form
    47,974.20/71,960.80 = 16,383.90/x
  3. Step 3: Cross multiply
    47,974.20x = 71,960.80 × 16,383.90
  4. Step 4: Simplify right side
    47,974.20x = 1,178,998,551.12
  5. Step 5: Solve for x
    x = 1,178,998,551.12/47,974.20
  6. Step 6: Final answer
    x = 24,575.68

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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.