Home / 65,711.10-98,555.87-18,329.42

Finding the Fourth Proportional to 65,711.10, 98,555.87 and 18,329.42

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Solution

The fourth proportional to 65,711.10, 98,555.87 and 18,329.42 is: 27,491.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,711.10 : 98,555.87 = 18,329.42 : x
  2. Step 2: Convert to fraction form
    65,711.10/98,555.87 = 18,329.42/x
  3. Step 3: Cross multiply
    65,711.10x = 98,555.87 × 18,329.42
  4. Step 4: Simplify right side
    65,711.10x = 1,806,471,350.27
  5. Step 5: Solve for x
    x = 1,806,471,350.27/65,711.10
  6. Step 6: Final answer
    x = 27,491.11

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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.