Home / 40,169.43-55,431.81-22,264.28

Finding the Fourth Proportional to 40,169.43, 55,431.81 and 22,264.28

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Solution

The fourth proportional to 40,169.43, 55,431.81 and 22,264.28 is: 30,723.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,169.43 : 55,431.81 = 22,264.28 : x
  2. Step 2: Convert to fraction form
    40,169.43/55,431.81 = 22,264.28/x
  3. Step 3: Cross multiply
    40,169.43x = 55,431.81 × 22,264.28
  4. Step 4: Simplify right side
    40,169.43x = 1,234,149,061.59
  5. Step 5: Solve for x
    x = 1,234,149,061.59/40,169.43
  6. Step 6: Final answer
    x = 30,723.59

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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.