Home / 45,100.28-67,650.42-33,421.70

Finding the Fourth Proportional to 45,100.28, 67,650.42 and 33,421.70

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Solution

The fourth proportional to 45,100.28, 67,650.42 and 33,421.70 is: 50,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,100.28 : 67,650.42 = 33,421.70 : x
  2. Step 2: Convert to fraction form
    45,100.28/67,650.42 = 33,421.70/x
  3. Step 3: Cross multiply
    45,100.28x = 67,650.42 × 33,421.70
  4. Step 4: Simplify right side
    45,100.28x = 2,260,992,042.11
  5. Step 5: Solve for x
    x = 2,260,992,042.11/45,100.28
  6. Step 6: Final answer
    x = 50,132.55

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Double scale
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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.