Home / 54,958.26-82,381.98-21,665.43

Finding the Fourth Proportional to 54,958.26, 82,381.98 and 21,665.43

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Solution

The fourth proportional to 54,958.26, 82,381.98 and 21,665.43 is: 32,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,958.26 : 82,381.98 = 21,665.43 : x
  2. Step 2: Convert to fraction form
    54,958.26/82,381.98 = 21,665.43/x
  3. Step 3: Cross multiply
    54,958.26x = 82,381.98 × 21,665.43
  4. Step 4: Simplify right side
    54,958.26x = 1,784,841,020.95
  5. Step 5: Solve for x
    x = 1,784,841,020.95/54,958.26
  6. Step 6: Final answer
    x = 32,476.30

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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.