Home / 56,887.04-85,261.38-40,251.87

Finding the Fourth Proportional to 56,887.04, 85,261.38 and 40,251.87

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Solution

The fourth proportional to 56,887.04, 85,261.38 and 40,251.87 is: 60,328.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,887.04 : 85,261.38 = 40,251.87 : x
  2. Step 2: Convert to fraction form
    56,887.04/85,261.38 = 40,251.87/x
  3. Step 3: Cross multiply
    56,887.04x = 85,261.38 × 40,251.87
  4. Step 4: Simplify right side
    56,887.04x = 3,431,929,983.78
  5. Step 5: Solve for x
    x = 3,431,929,983.78/56,887.04
  6. Step 6: Final answer
    x = 60,328.86

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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.