Home / 41,921.82-62,890.44-13,843.78

Finding the Fourth Proportional to 41,921.82, 62,890.44 and 13,843.78

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Solution

The fourth proportional to 41,921.82, 62,890.44 and 13,843.78 is: 20,768.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,921.82 : 62,890.44 = 13,843.78 : x
  2. Step 2: Convert to fraction form
    41,921.82/62,890.44 = 13,843.78/x
  3. Step 3: Cross multiply
    41,921.82x = 62,890.44 × 13,843.78
  4. Step 4: Simplify right side
    41,921.82x = 870,641,415.46
  5. Step 5: Solve for x
    x = 870,641,415.46/41,921.82
  6. Step 6: Final answer
    x = 20,768.22

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1.5x scale

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.