Home / 36,129.20-54,177.60-16,397.60

Finding the Fourth Proportional to 36,129.20, 54,177.60 and 16,397.60

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Solution

The fourth proportional to 36,129.20, 54,177.60 and 16,397.60 is: 24,589.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,129.20 : 54,177.60 = 16,397.60 : x
  2. Step 2: Convert to fraction form
    36,129.20/54,177.60 = 16,397.60/x
  3. Step 3: Cross multiply
    36,129.20x = 54,177.60 × 16,397.60
  4. Step 4: Simplify right side
    36,129.20x = 888,382,613.76
  5. Step 5: Solve for x
    x = 888,382,613.76/36,129.20
  6. Step 6: Final answer
    x = 24,589.05

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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.