Home / 40,972.85-61,452.10-11,392.99

Finding the Fourth Proportional to 40,972.85, 61,452.10 and 11,392.99

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Solution

The fourth proportional to 40,972.85, 61,452.10 and 11,392.99 is: 17,087.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,972.85 : 61,452.10 = 11,392.99 : x
  2. Step 2: Convert to fraction form
    40,972.85/61,452.10 = 11,392.99/x
  3. Step 3: Cross multiply
    40,972.85x = 61,452.10 × 11,392.99
  4. Step 4: Simplify right side
    40,972.85x = 700,123,160.78
  5. Step 5: Solve for x
    x = 700,123,160.78/40,972.85
  6. Step 6: Final answer
    x = 17,087.49

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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.