Home / 49,162.75-73,744.40-12,226.75

Finding the Fourth Proportional to 49,162.75, 73,744.40 and 12,226.75

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Solution

The fourth proportional to 49,162.75, 73,744.40 and 12,226.75 is: 18,340.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,162.75 : 73,744.40 = 12,226.75 : x
  2. Step 2: Convert to fraction form
    49,162.75/73,744.40 = 12,226.75/x
  3. Step 3: Cross multiply
    49,162.75x = 73,744.40 × 12,226.75
  4. Step 4: Simplify right side
    49,162.75x = 901,654,342.70
  5. Step 5: Solve for x
    x = 901,654,342.70/49,162.75
  6. Step 6: Final answer
    x = 18,340.19

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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.