Home / 42,781.75-63,859.27-37,731.65

Finding the Fourth Proportional to 42,781.75, 63,859.27 and 37,731.65

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Solution

The fourth proportional to 42,781.75, 63,859.27 and 37,731.65 is: 56,321.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,781.75 : 63,859.27 = 37,731.65 : x
  2. Step 2: Convert to fraction form
    42,781.75/63,859.27 = 37,731.65/x
  3. Step 3: Cross multiply
    42,781.75x = 63,859.27 × 37,731.65
  4. Step 4: Simplify right side
    42,781.75x = 2,409,515,624.90
  5. Step 5: Solve for x
    x = 2,409,515,624.90/42,781.75
  6. Step 6: Final answer
    x = 56,321.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.