Home / 67,227.38-100,841.07-20,480.25

Finding the Fourth Proportional to 67,227.38, 100,841.07 and 20,480.25

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Solution

The fourth proportional to 67,227.38, 100,841.07 and 20,480.25 is: 30,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,227.38 : 100,841.07 = 20,480.25 : x
  2. Step 2: Convert to fraction form
    67,227.38/100,841.07 = 20,480.25/x
  3. Step 3: Cross multiply
    67,227.38x = 100,841.07 × 20,480.25
  4. Step 4: Simplify right side
    67,227.38x = 2,065,250,323.87
  5. Step 5: Solve for x
    x = 2,065,250,323.87/67,227.38
  6. Step 6: Final answer
    x = 30,720.38

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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.