Home / 33,963.66-50,890.15-20,788.38

Finding the Fourth Proportional to 33,963.66, 50,890.15 and 20,788.38

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Solution

The fourth proportional to 33,963.66, 50,890.15 and 20,788.38 is: 31,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,963.66 : 50,890.15 = 20,788.38 : x
  2. Step 2: Convert to fraction form
    33,963.66/50,890.15 = 20,788.38/x
  3. Step 3: Cross multiply
    33,963.66x = 50,890.15 × 20,788.38
  4. Step 4: Simplify right side
    33,963.66x = 1,057,923,776.46
  5. Step 5: Solve for x
    x = 1,057,923,776.46/33,963.66
  6. Step 6: Final answer
    x = 31,148.70

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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.