Home / 42,125.80-63,171.13-17,148.89

Finding the Fourth Proportional to 42,125.80, 63,171.13 and 17,148.89

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Solution

The fourth proportional to 42,125.80, 63,171.13 and 17,148.89 is: 25,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,125.80 : 63,171.13 = 17,148.89 : x
  2. Step 2: Convert to fraction form
    42,125.80/63,171.13 = 17,148.89/x
  3. Step 3: Cross multiply
    42,125.80x = 63,171.13 × 17,148.89
  4. Step 4: Simplify right side
    42,125.80x = 1,083,314,759.55
  5. Step 5: Solve for x
    x = 1,083,314,759.55/42,125.80
  6. Step 6: Final answer
    x = 25,716.18

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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.