Home / 33,108.68-49,661.92-14,388.72

Finding the Fourth Proportional to 33,108.68, 49,661.92 and 14,388.72

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Solution

The fourth proportional to 33,108.68, 49,661.92 and 14,388.72 is: 21,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,108.68 : 49,661.92 = 14,388.72 : x
  2. Step 2: Convert to fraction form
    33,108.68/49,661.92 = 14,388.72/x
  3. Step 3: Cross multiply
    33,108.68x = 49,661.92 × 14,388.72
  4. Step 4: Simplify right side
    33,108.68x = 714,571,425.57
  5. Step 5: Solve for x
    x = 714,571,425.57/33,108.68
  6. Step 6: Final answer
    x = 21,582.60

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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.