Home / 41,407.92-62,121.78-13,330.59

Finding the Fourth Proportional to 41,407.92, 62,121.78 and 13,330.59

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Solution

The fourth proportional to 41,407.92, 62,121.78 and 13,330.59 is: 19,999.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,407.92 : 62,121.78 = 13,330.59 : x
  2. Step 2: Convert to fraction form
    41,407.92/62,121.78 = 13,330.59/x
  3. Step 3: Cross multiply
    41,407.92x = 62,121.78 × 13,330.59
  4. Step 4: Simplify right side
    41,407.92x = 828,119,912.60
  5. Step 5: Solve for x
    x = 828,119,912.60/41,407.92
  6. Step 6: Final answer
    x = 19,999.07

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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.