Home / 41,972.60-62,965.74-12,393.43

Finding the Fourth Proportional to 41,972.60, 62,965.74 and 12,393.43

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Solution

The fourth proportional to 41,972.60, 62,965.74 and 12,393.43 is: 18,592.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,972.60 : 62,965.74 = 12,393.43 : x
  2. Step 2: Convert to fraction form
    41,972.60/62,965.74 = 12,393.43/x
  3. Step 3: Cross multiply
    41,972.60x = 62,965.74 × 12,393.43
  4. Step 4: Simplify right side
    41,972.60x = 780,361,491.09
  5. Step 5: Solve for x
    x = 780,361,491.09/41,972.60
  6. Step 6: Final answer
    x = 18,592.16

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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.