Home / 40,387.02-55,727.43-22,481.57

Finding the Fourth Proportional to 40,387.02, 55,727.43 and 22,481.57

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Solution

The fourth proportional to 40,387.02, 55,727.43 and 22,481.57 is: 31,020.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,387.02 : 55,727.43 = 22,481.57 : x
  2. Step 2: Convert to fraction form
    40,387.02/55,727.43 = 22,481.57/x
  3. Step 3: Cross multiply
    40,387.02x = 55,727.43 × 22,481.57
  4. Step 4: Simplify right side
    40,387.02x = 1,252,839,839.83
  5. Step 5: Solve for x
    x = 1,252,839,839.83/40,387.02
  6. Step 6: Final answer
    x = 31,020.85

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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.