Home / 41,002.20-61,542.18-21,294.90

Finding the Fourth Proportional to 41,002.20, 61,542.18 and 21,294.90

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Solution

The fourth proportional to 41,002.20, 61,542.18 and 21,294.90 is: 31,962.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,002.20 : 61,542.18 = 21,294.90 : x
  2. Step 2: Convert to fraction form
    41,002.20/61,542.18 = 21,294.90/x
  3. Step 3: Cross multiply
    41,002.20x = 61,542.18 × 21,294.90
  4. Step 4: Simplify right side
    41,002.20x = 1,310,534,568.88
  5. Step 5: Solve for x
    x = 1,310,534,568.88/41,002.20
  6. Step 6: Final answer
    x = 31,962.54

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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.