Home / 38,132.62-57,198.64-11,478.50

Finding the Fourth Proportional to 38,132.62, 57,198.64 and 11,478.50

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Solution

The fourth proportional to 38,132.62, 57,198.64 and 11,478.50 is: 17,217.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,132.62 : 57,198.64 = 11,478.50 : x
  2. Step 2: Convert to fraction form
    38,132.62/57,198.64 = 11,478.50/x
  3. Step 3: Cross multiply
    38,132.62x = 57,198.64 × 11,478.50
  4. Step 4: Simplify right side
    38,132.62x = 656,554,589.24
  5. Step 5: Solve for x
    x = 656,554,589.24/38,132.62
  6. Step 6: Final answer
    x = 17,217.66

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1.5x scale

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.