Home / 54,689.92-81,976.38-39,060.16

Finding the Fourth Proportional to 54,689.92, 81,976.38 and 39,060.16

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Solution

The fourth proportional to 54,689.92, 81,976.38 and 39,060.16 is: 58,548.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,689.92 : 81,976.38 = 39,060.16 : x
  2. Step 2: Convert to fraction form
    54,689.92/81,976.38 = 39,060.16/x
  3. Step 3: Cross multiply
    54,689.92x = 81,976.38 × 39,060.16
  4. Step 4: Simplify right side
    54,689.92x = 3,202,010,519.02
  5. Step 5: Solve for x
    x = 3,202,010,519.02/54,689.92
  6. Step 6: Final answer
    x = 58,548.46

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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.