Home / 41,939.98-62,792.26-31,458.78

Finding the Fourth Proportional to 41,939.98, 62,792.26 and 31,458.78

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Solution

The fourth proportional to 41,939.98, 62,792.26 and 31,458.78 is: 47,099.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,939.98 : 62,792.26 = 31,458.78 : x
  2. Step 2: Convert to fraction form
    41,939.98/62,792.26 = 31,458.78/x
  3. Step 3: Cross multiply
    41,939.98x = 62,792.26 × 31,458.78
  4. Step 4: Simplify right side
    41,939.98x = 1,975,367,991.35
  5. Step 5: Solve for x
    x = 1,975,367,991.35/41,939.98
  6. Step 6: Final answer
    x = 47,099.88

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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.