Home / 49,388.38-74,065.03-17,789.96

Finding the Fourth Proportional to 49,388.38, 74,065.03 and 17,789.96

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Solution

The fourth proportional to 49,388.38, 74,065.03 and 17,789.96 is: 26,678.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,388.38 : 74,065.03 = 17,789.96 : x
  2. Step 2: Convert to fraction form
    49,388.38/74,065.03 = 17,789.96/x
  3. Step 3: Cross multiply
    49,388.38x = 74,065.03 × 17,789.96
  4. Step 4: Simplify right side
    49,388.38x = 1,317,613,921.10
  5. Step 5: Solve for x
    x = 1,317,613,921.10/49,388.38
  6. Step 6: Final answer
    x = 26,678.62

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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.