Home / 56,731.29-85,142.30-25,568.97

Finding the Fourth Proportional to 56,731.29, 85,142.30 and 25,568.97

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Solution

The fourth proportional to 56,731.29, 85,142.30 and 25,568.97 is: 38,373.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,731.29 : 85,142.30 = 25,568.97 : x
  2. Step 2: Convert to fraction form
    56,731.29/85,142.30 = 25,568.97/x
  3. Step 3: Cross multiply
    56,731.29x = 85,142.30 × 25,568.97
  4. Step 4: Simplify right side
    56,731.29x = 2,177,000,786.59
  5. Step 5: Solve for x
    x = 2,177,000,786.59/56,731.29
  6. Step 6: Final answer
    x = 38,373.90

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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.