Home / 40,502.28-60,732.36-18,305.04

Finding the Fourth Proportional to 40,502.28, 60,732.36 and 18,305.04

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Solution

The fourth proportional to 40,502.28, 60,732.36 and 18,305.04 is: 27,448.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,502.28 : 60,732.36 = 18,305.04 : x
  2. Step 2: Convert to fraction form
    40,502.28/60,732.36 = 18,305.04/x
  3. Step 3: Cross multiply
    40,502.28x = 60,732.36 × 18,305.04
  4. Step 4: Simplify right side
    40,502.28x = 1,111,708,279.09
  5. Step 5: Solve for x
    x = 1,111,708,279.09/40,502.28
  6. Step 6: Final answer
    x = 27,448.04

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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.