Home / 40,963.86-61,449.12-11,381.70

Finding the Fourth Proportional to 40,963.86, 61,449.12 and 11,381.70

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Solution

The fourth proportional to 40,963.86, 61,449.12 and 11,381.70 is: 17,073.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,963.86 : 61,449.12 = 11,381.70 : x
  2. Step 2: Convert to fraction form
    40,963.86/61,449.12 = 11,381.70/x
  3. Step 3: Cross multiply
    40,963.86x = 61,449.12 × 11,381.70
  4. Step 4: Simplify right side
    40,963.86x = 699,395,141.86
  5. Step 5: Solve for x
    x = 699,395,141.86/40,963.86
  6. Step 6: Final answer
    x = 17,073.47

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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.