Home / 40,221.40-60,332.10-25,382.20

Finding the Fourth Proportional to 40,221.40, 60,332.10 and 25,382.20

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Solution

The fourth proportional to 40,221.40, 60,332.10 and 25,382.20 is: 38,073.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.40 : 60,332.10 = 25,382.20 : x
  2. Step 2: Convert to fraction form
    40,221.40/60,332.10 = 25,382.20/x
  3. Step 3: Cross multiply
    40,221.40x = 60,332.10 × 25,382.20
  4. Step 4: Simplify right side
    40,221.40x = 1,531,361,428.62
  5. Step 5: Solve for x
    x = 1,531,361,428.62/40,221.40
  6. Step 6: Final answer
    x = 38,073.30

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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.