Home / 41,721.48-62,581.14-12,147.48

Finding the Fourth Proportional to 41,721.48, 62,581.14 and 12,147.48

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Solution

The fourth proportional to 41,721.48, 62,581.14 and 12,147.48 is: 18,220.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,721.48 : 62,581.14 = 12,147.48 : x
  2. Step 2: Convert to fraction form
    41,721.48/62,581.14 = 12,147.48/x
  3. Step 3: Cross multiply
    41,721.48x = 62,581.14 × 12,147.48
  4. Step 4: Simplify right side
    41,721.48x = 760,203,146.53
  5. Step 5: Solve for x
    x = 760,203,146.53/41,721.48
  6. Step 6: Final answer
    x = 18,220.91

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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.