Home / 80,685.20-121,028.66-24,534.44

Finding the Fourth Proportional to 80,685.20, 121,028.66 and 24,534.44

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Solution

The fourth proportional to 80,685.20, 121,028.66 and 24,534.44 is: 36,801.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,685.20 : 121,028.66 = 24,534.44 : x
  2. Step 2: Convert to fraction form
    80,685.20/121,028.66 = 24,534.44/x
  3. Step 3: Cross multiply
    80,685.20x = 121,028.66 × 24,534.44
  4. Step 4: Simplify right side
    80,685.20x = 2,969,370,397.05
  5. Step 5: Solve for x
    x = 2,969,370,397.05/80,685.20
  6. Step 6: Final answer
    x = 36,801.92

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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.