Home / 20,158.52-30,149.35-17,952.91

Finding the Fourth Proportional to 20,158.52, 30,149.35 and 17,952.91

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Solution

The fourth proportional to 20,158.52, 30,149.35 and 17,952.91 is: 26,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158.52 : 30,149.35 = 17,952.91 : x
  2. Step 2: Convert to fraction form
    20,158.52/30,149.35 = 17,952.91/x
  3. Step 3: Cross multiply
    20,158.52x = 30,149.35 × 17,952.91
  4. Step 4: Simplify right side
    20,158.52x = 541,268,446.85
  5. Step 5: Solve for x
    x = 541,268,446.85/20,158.52
  6. Step 6: Final answer
    x = 26,850.61

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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.