Home / 39,805.68-54,932.30-22,809.58

Finding the Fourth Proportional to 39,805.68, 54,932.30 and 22,809.58

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Solution

The fourth proportional to 39,805.68, 54,932.30 and 22,809.58 is: 31,477.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,805.68 : 54,932.30 = 22,809.58 : x
  2. Step 2: Convert to fraction form
    39,805.68/54,932.30 = 22,809.58/x
  3. Step 3: Cross multiply
    39,805.68x = 54,932.30 × 22,809.58
  4. Step 4: Simplify right side
    39,805.68x = 1,252,982,691.43
  5. Step 5: Solve for x
    x = 1,252,982,691.43/39,805.68
  6. Step 6: Final answer
    x = 31,477.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.