Home / 56,657.20-85,034.40-25,115.80

Finding the Fourth Proportional to 56,657.20, 85,034.40 and 25,115.80

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Solution

The fourth proportional to 56,657.20, 85,034.40 and 25,115.80 is: 37,695.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,657.20 : 85,034.40 = 25,115.80 : x
  2. Step 2: Convert to fraction form
    56,657.20/85,034.40 = 25,115.80/x
  3. Step 3: Cross multiply
    56,657.20x = 85,034.40 × 25,115.80
  4. Step 4: Simplify right side
    56,657.20x = 2,135,706,983.52
  5. Step 5: Solve for x
    x = 2,135,706,983.52/56,657.20
  6. Step 6: Final answer
    x = 37,695.24

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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.