Home / 83,022.80-124,534.20-20,693.30

Finding the Fourth Proportional to 83,022.80, 124,534.20 and 20,693.30

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Solution

The fourth proportional to 83,022.80, 124,534.20 and 20,693.30 is: 31,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,022.80 : 124,534.20 = 20,693.30 : x
  2. Step 2: Convert to fraction form
    83,022.80/124,534.20 = 20,693.30/x
  3. Step 3: Cross multiply
    83,022.80x = 124,534.20 × 20,693.30
  4. Step 4: Simplify right side
    83,022.80x = 2,577,023,560.86
  5. Step 5: Solve for x
    x = 2,577,023,560.86/83,022.80
  6. Step 6: Final answer
    x = 31,039.95

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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.