Home / 41,431.50-62,156.97-13,729.50

Finding the Fourth Proportional to 41,431.50, 62,156.97 and 13,729.50

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Solution

The fourth proportional to 41,431.50, 62,156.97 and 13,729.50 is: 20,597.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,431.50 : 62,156.97 = 13,729.50 : x
  2. Step 2: Convert to fraction form
    41,431.50/62,156.97 = 13,729.50/x
  3. Step 3: Cross multiply
    41,431.50x = 62,156.97 × 13,729.50
  4. Step 4: Simplify right side
    41,431.50x = 853,384,119.62
  5. Step 5: Solve for x
    x = 853,384,119.62/41,431.50
  6. Step 6: Final answer
    x = 20,597.47

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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.