Home / 49,239.18-73,874.97-19,640.70

Finding the Fourth Proportional to 49,239.18, 73,874.97 and 19,640.70

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Solution

The fourth proportional to 49,239.18, 73,874.97 and 19,640.70 is: 29,467.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,239.18 : 73,874.97 = 19,640.70 : x
  2. Step 2: Convert to fraction form
    49,239.18/73,874.97 = 19,640.70/x
  3. Step 3: Cross multiply
    49,239.18x = 73,874.97 × 19,640.70
  4. Step 4: Simplify right side
    49,239.18x = 1,450,956,123.28
  5. Step 5: Solve for x
    x = 1,450,956,123.28/49,239.18
  6. Step 6: Final answer
    x = 29,467.51

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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.