Home / 33,117.11-49,697.99-12,340.61

Finding the Fourth Proportional to 33,117.11, 49,697.99 and 12,340.61

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Solution

The fourth proportional to 33,117.11, 49,697.99 and 12,340.61 is: 18,519.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,117.11 : 49,697.99 = 12,340.61 : x
  2. Step 2: Convert to fraction form
    33,117.11/49,697.99 = 12,340.61/x
  3. Step 3: Cross multiply
    33,117.11x = 49,697.99 × 12,340.61
  4. Step 4: Simplify right side
    33,117.11x = 613,303,202.18
  5. Step 5: Solve for x
    x = 613,303,202.18/33,117.11
  6. Step 6: Final answer
    x = 18,519.23

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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.