Home / 65,711.04-98,565.13-18,324.87

Finding the Fourth Proportional to 65,711.04, 98,565.13 and 18,324.87

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Solution

The fourth proportional to 65,711.04, 98,565.13 and 18,324.87 is: 27,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,711.04 : 98,565.13 = 18,324.87 : x
  2. Step 2: Convert to fraction form
    65,711.04/98,565.13 = 18,324.87/x
  3. Step 3: Cross multiply
    65,711.04x = 98,565.13 × 18,324.87
  4. Step 4: Simplify right side
    65,711.04x = 1,806,192,700.96
  5. Step 5: Solve for x
    x = 1,806,192,700.96/65,711.04
  6. Step 6: Final answer
    x = 27,486.90

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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.