Home / 40,418.28-60,634.17-18,231.17

Finding the Fourth Proportional to 40,418.28, 60,634.17 and 18,231.17

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Solution

The fourth proportional to 40,418.28, 60,634.17 and 18,231.17 is: 27,349.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,418.28 : 60,634.17 = 18,231.17 : x
  2. Step 2: Convert to fraction form
    40,418.28/60,634.17 = 18,231.17/x
  3. Step 3: Cross multiply
    40,418.28x = 60,634.17 × 18,231.17
  4. Step 4: Simplify right side
    40,418.28x = 1,105,431,557.91
  5. Step 5: Solve for x
    x = 1,105,431,557.91/40,418.28
  6. Step 6: Final answer
    x = 27,349.79

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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.