Home / 57,708.11-86,567.13-20,264.97

Finding the Fourth Proportional to 57,708.11, 86,567.13 and 20,264.97

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Solution

The fourth proportional to 57,708.11, 86,567.13 and 20,264.97 is: 30,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,708.11 : 86,567.13 = 20,264.97 : x
  2. Step 2: Convert to fraction form
    57,708.11/86,567.13 = 20,264.97/x
  3. Step 3: Cross multiply
    57,708.11x = 86,567.13 × 20,264.97
  4. Step 4: Simplify right side
    57,708.11x = 1,754,280,292.44
  5. Step 5: Solve for x
    x = 1,754,280,292.44/57,708.11
  6. Step 6: Final answer
    x = 30,399.20

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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.