Home / 54,718.93-82,034.65-21,432.79

Finding the Fourth Proportional to 54,718.93, 82,034.65 and 21,432.79

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Solution

The fourth proportional to 54,718.93, 82,034.65 and 21,432.79 is: 32,132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,718.93 : 82,034.65 = 21,432.79 : x
  2. Step 2: Convert to fraction form
    54,718.93/82,034.65 = 21,432.79/x
  3. Step 3: Cross multiply
    54,718.93x = 82,034.65 × 21,432.79
  4. Step 4: Simplify right side
    54,718.93x = 1,758,231,426.17
  5. Step 5: Solve for x
    x = 1,758,231,426.17/54,718.93
  6. Step 6: Final answer
    x = 32,132.05

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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.