Home / 40,217.68-55,502.28-25,119.28

Finding the Fourth Proportional to 40,217.68, 55,502.28 and 25,119.28

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Solution

The fourth proportional to 40,217.68, 55,502.28 and 25,119.28 is: 34,665.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,217.68 : 55,502.28 = 25,119.28 : x
  2. Step 2: Convert to fraction form
    40,217.68/55,502.28 = 25,119.28/x
  3. Step 3: Cross multiply
    40,217.68x = 55,502.28 × 25,119.28
  4. Step 4: Simplify right side
    40,217.68x = 1,394,177,311.96
  5. Step 5: Solve for x
    x = 1,394,177,311.96/40,217.68
  6. Step 6: Final answer
    x = 34,665.78

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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.