Home / 49,450.92-74,175.66-12,011.28

Finding the Fourth Proportional to 49,450.92, 74,175.66 and 12,011.28

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Solution

The fourth proportional to 49,450.92, 74,175.66 and 12,011.28 is: 18,016.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,450.92 : 74,175.66 = 12,011.28 : x
  2. Step 2: Convert to fraction form
    49,450.92/74,175.66 = 12,011.28/x
  3. Step 3: Cross multiply
    49,450.92x = 74,175.66 × 12,011.28
  4. Step 4: Simplify right side
    49,450.92x = 890,944,621.44
  5. Step 5: Solve for x
    x = 890,944,621.44/49,450.92
  6. Step 6: Final answer
    x = 18,016.75

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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.