Home / 33,163.11-49,707.95-13,435.83

Finding the Fourth Proportional to 33,163.11, 49,707.95 and 13,435.83

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Solution

The fourth proportional to 33,163.11, 49,707.95 and 13,435.83 is: 20,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,163.11 : 49,707.95 = 13,435.83 : x
  2. Step 2: Convert to fraction form
    33,163.11/49,707.95 = 13,435.83/x
  3. Step 3: Cross multiply
    33,163.11x = 49,707.95 × 13,435.83
  4. Step 4: Simplify right side
    33,163.11x = 667,867,498.67
  5. Step 5: Solve for x
    x = 667,867,498.67/33,163.11
  6. Step 6: Final answer
    x = 20,138.87

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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.