Home / 49,979.73-74,911.31-18,365.97

Finding the Fourth Proportional to 49,979.73, 74,911.31 and 18,365.97

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Solution

The fourth proportional to 49,979.73, 74,911.31 and 18,365.97 is: 27,527.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,979.73 : 74,911.31 = 18,365.97 : x
  2. Step 2: Convert to fraction form
    49,979.73/74,911.31 = 18,365.97/x
  3. Step 3: Cross multiply
    49,979.73x = 74,911.31 × 18,365.97
  4. Step 4: Simplify right side
    49,979.73x = 1,375,818,780.29
  5. Step 5: Solve for x
    x = 1,375,818,780.29/49,979.73
  6. Step 6: Final answer
    x = 27,527.54

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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.