Home / 49,744.62-74,609.56-18,147.28

Finding the Fourth Proportional to 49,744.62, 74,609.56 and 18,147.28

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Solution

The fourth proportional to 49,744.62, 74,609.56 and 18,147.28 is: 27,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,744.62 : 74,609.56 = 18,147.28 : x
  2. Step 2: Convert to fraction form
    49,744.62/74,609.56 = 18,147.28/x
  3. Step 3: Cross multiply
    49,744.62x = 74,609.56 × 18,147.28
  4. Step 4: Simplify right side
    49,744.62x = 1,353,960,576.00
  5. Step 5: Solve for x
    x = 1,353,960,576.00/49,744.62
  6. Step 6: Final answer
    x = 27,218.23

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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.