Home / 40,155.40-55,414.92-22,250.62

Finding the Fourth Proportional to 40,155.40, 55,414.92 and 22,250.62

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Solution

The fourth proportional to 40,155.40, 55,414.92 and 22,250.62 is: 30,706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,155.40 : 55,414.92 = 22,250.62 : x
  2. Step 2: Convert to fraction form
    40,155.40/55,414.92 = 22,250.62/x
  3. Step 3: Cross multiply
    40,155.40x = 55,414.92 × 22,250.62
  4. Step 4: Simplify right side
    40,155.40x = 1,233,016,327.25
  5. Step 5: Solve for x
    x = 1,233,016,327.25/40,155.40
  6. Step 6: Final answer
    x = 30,706.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.