Home / 54,488.92-81,743.10-21,227.08

Finding the Fourth Proportional to 54,488.92, 81,743.10 and 21,227.08

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Solution

The fourth proportional to 54,488.92, 81,743.10 and 21,227.08 is: 31,844.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,488.92 : 81,743.10 = 21,227.08 : x
  2. Step 2: Convert to fraction form
    54,488.92/81,743.10 = 21,227.08/x
  3. Step 3: Cross multiply
    54,488.92x = 81,743.10 × 21,227.08
  4. Step 4: Simplify right side
    54,488.92x = 1,735,167,323.15
  5. Step 5: Solve for x
    x = 1,735,167,323.15/54,488.92
  6. Step 6: Final answer
    x = 31,844.41

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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.