Home / 56,781.12-85,171.68-25,625.28

Finding the Fourth Proportional to 56,781.12, 85,171.68 and 25,625.28

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Solution

The fourth proportional to 56,781.12, 85,171.68 and 25,625.28 is: 38,437.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,781.12 : 85,171.68 = 25,625.28 : x
  2. Step 2: Convert to fraction form
    56,781.12/85,171.68 = 25,625.28/x
  3. Step 3: Cross multiply
    56,781.12x = 85,171.68 × 25,625.28
  4. Step 4: Simplify right side
    56,781.12x = 2,182,548,148.07
  5. Step 5: Solve for x
    x = 2,182,548,148.07/56,781.12
  6. Step 6: Final answer
    x = 38,437.92

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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.