Home / 54,934.92-82,402.38-19,866.38

Finding the Fourth Proportional to 54,934.92, 82,402.38 and 19,866.38

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Solution

The fourth proportional to 54,934.92, 82,402.38 and 19,866.38 is: 29,799.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,934.92 : 82,402.38 = 19,866.38 : x
  2. Step 2: Convert to fraction form
    54,934.92/82,402.38 = 19,866.38/x
  3. Step 3: Cross multiply
    54,934.92x = 82,402.38 × 19,866.38
  4. Step 4: Simplify right side
    54,934.92x = 1,637,036,581.97
  5. Step 5: Solve for x
    x = 1,637,036,581.97/54,934.92
  6. Step 6: Final answer
    x = 29,799.56

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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.