Home / 54,597.28-81,859.92-21,321.04

Finding the Fourth Proportional to 54,597.28, 81,859.92 and 21,321.04

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Solution

The fourth proportional to 54,597.28, 81,859.92 and 21,321.04 is: 31,967.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,597.28 : 81,859.92 = 21,321.04 : x
  2. Step 2: Convert to fraction form
    54,597.28/81,859.92 = 21,321.04/x
  3. Step 3: Cross multiply
    54,597.28x = 81,859.92 × 21,321.04
  4. Step 4: Simplify right side
    54,597.28x = 1,745,338,628.72
  5. Step 5: Solve for x
    x = 1,745,338,628.72/54,597.28
  6. Step 6: Final answer
    x = 31,967.50

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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.