Home / 45,217.53-67,800.92-20,281.55

Finding the Fourth Proportional to 45,217.53, 67,800.92 and 20,281.55

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Solution

The fourth proportional to 45,217.53, 67,800.92 and 20,281.55 is: 30,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,217.53 : 67,800.92 = 20,281.55 : x
  2. Step 2: Convert to fraction form
    45,217.53/67,800.92 = 20,281.55/x
  3. Step 3: Cross multiply
    45,217.53x = 67,800.92 × 20,281.55
  4. Step 4: Simplify right side
    45,217.53x = 1,375,107,308.61
  5. Step 5: Solve for x
    x = 1,375,107,308.61/45,217.53
  6. Step 6: Final answer
    x = 30,410.93

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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.