Home / 67,220.28-100,768.11-29,760.39

Finding the Fourth Proportional to 67,220.28, 100,768.11 and 29,760.39

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Solution

The fourth proportional to 67,220.28, 100,768.11 and 29,760.39 is: 44,613.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,220.28 : 100,768.11 = 29,760.39 : x
  2. Step 2: Convert to fraction form
    67,220.28/100,768.11 = 29,760.39/x
  3. Step 3: Cross multiply
    67,220.28x = 100,768.11 × 29,760.39
  4. Step 4: Simplify right side
    67,220.28x = 2,998,898,253.16
  5. Step 5: Solve for x
    x = 2,998,898,253.16/67,220.28
  6. Step 6: Final answer
    x = 44,613.00

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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.