Home / 33,408.77-50,113.11-13,687.36

Finding the Fourth Proportional to 33,408.77, 50,113.11 and 13,687.36

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Solution

The fourth proportional to 33,408.77, 50,113.11 and 13,687.36 is: 20,531.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,408.77 : 50,113.11 = 13,687.36 : x
  2. Step 2: Convert to fraction form
    33,408.77/50,113.11 = 13,687.36/x
  3. Step 3: Cross multiply
    33,408.77x = 50,113.11 × 13,687.36
  4. Step 4: Simplify right side
    33,408.77x = 685,916,177.29
  5. Step 5: Solve for x
    x = 685,916,177.29/33,408.77
  6. Step 6: Final answer
    x = 20,531.02

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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.