Home / 41,223.38-61,839.61-13,136.90

Finding the Fourth Proportional to 41,223.38, 61,839.61 and 13,136.90

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Solution

The fourth proportional to 41,223.38, 61,839.61 and 13,136.90 is: 19,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,223.38 : 61,839.61 = 13,136.90 : x
  2. Step 2: Convert to fraction form
    41,223.38/61,839.61 = 13,136.90/x
  3. Step 3: Cross multiply
    41,223.38x = 61,839.61 × 13,136.90
  4. Step 4: Simplify right side
    41,223.38x = 812,380,772.61
  5. Step 5: Solve for x
    x = 812,380,772.61/41,223.38
  6. Step 6: Final answer
    x = 19,706.80

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1.5x scale

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.