Home / 80,414.16-120,621.24-33,021.19

Finding the Fourth Proportional to 80,414.16, 120,621.24 and 33,021.19

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Solution

The fourth proportional to 80,414.16, 120,621.24 and 33,021.19 is: 49,531.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,414.16 : 120,621.24 = 33,021.19 : x
  2. Step 2: Convert to fraction form
    80,414.16/120,621.24 = 33,021.19/x
  3. Step 3: Cross multiply
    80,414.16x = 120,621.24 × 33,021.19
  4. Step 4: Simplify right side
    80,414.16x = 3,983,056,582.52
  5. Step 5: Solve for x
    x = 3,983,056,582.52/80,414.16
  6. Step 6: Final answer
    x = 49,531.78

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Similar ratio
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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.