Home / 33,221.11-49,831.92-12,161.82

Finding the Fourth Proportional to 33,221.11, 49,831.92 and 12,161.82

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Solution

The fourth proportional to 33,221.11, 49,831.92 and 12,161.82 is: 18,242.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,221.11 : 49,831.92 = 12,161.82 : x
  2. Step 2: Convert to fraction form
    33,221.11/49,831.92 = 12,161.82/x
  3. Step 3: Cross multiply
    33,221.11x = 49,831.92 × 12,161.82
  4. Step 4: Simplify right side
    33,221.11x = 606,046,841.29
  5. Step 5: Solve for x
    x = 606,046,841.29/33,221.11
  6. Step 6: Final answer
    x = 18,242.82

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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.