Home / 33,603.14-50,427.36-13,881.61

Finding the Fourth Proportional to 33,603.14, 50,427.36 and 13,881.61

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Solution

The fourth proportional to 33,603.14, 50,427.36 and 13,881.61 is: 20,831.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,603.14 : 50,427.36 = 13,881.61 : x
  2. Step 2: Convert to fraction form
    33,603.14/50,427.36 = 13,881.61/x
  3. Step 3: Cross multiply
    33,603.14x = 50,427.36 × 13,881.61
  4. Step 4: Simplify right side
    33,603.14x = 700,013,007.88
  5. Step 5: Solve for x
    x = 700,013,007.88/33,603.14
  6. Step 6: Final answer
    x = 20,831.78

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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.