Home / 40,132.50-55,382.02-22,227.45

Finding the Fourth Proportional to 40,132.50, 55,382.02 and 22,227.45

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Solution

The fourth proportional to 40,132.50, 55,382.02 and 22,227.45 is: 30,673.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,132.50 : 55,382.02 = 22,227.45 : x
  2. Step 2: Convert to fraction form
    40,132.50/55,382.02 = 22,227.45/x
  3. Step 3: Cross multiply
    40,132.50x = 55,382.02 × 22,227.45
  4. Step 4: Simplify right side
    40,132.50x = 1,231,001,080.45
  5. Step 5: Solve for x
    x = 1,231,001,080.45/40,132.50
  6. Step 6: Final answer
    x = 30,673.42

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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.