Home / 33,718.91-50,583.84-12,660.61

Finding the Fourth Proportional to 33,718.91, 50,583.84 and 12,660.61

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Solution

The fourth proportional to 33,718.91, 50,583.84 and 12,660.61 is: 18,992.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,718.91 : 50,583.84 = 12,660.61 : x
  2. Step 2: Convert to fraction form
    33,718.91/50,583.84 = 12,660.61/x
  3. Step 3: Cross multiply
    33,718.91x = 50,583.84 × 12,660.61
  4. Step 4: Simplify right side
    33,718.91x = 640,422,270.54
  5. Step 5: Solve for x
    x = 640,422,270.54/33,718.91
  6. Step 6: Final answer
    x = 18,992.97

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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.