Home / 33,963.16-50,889.40-20,787.88

Finding the Fourth Proportional to 33,963.16, 50,889.40 and 20,787.88

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Solution

The fourth proportional to 33,963.16, 50,889.40 and 20,787.88 is: 31,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,963.16 : 50,889.40 = 20,787.88 : x
  2. Step 2: Convert to fraction form
    33,963.16/50,889.40 = 20,787.88/x
  3. Step 3: Cross multiply
    33,963.16x = 50,889.40 × 20,787.88
  4. Step 4: Simplify right side
    33,963.16x = 1,057,882,740.47
  5. Step 5: Solve for x
    x = 1,057,882,740.47/33,963.16
  6. Step 6: Final answer
    x = 31,147.95

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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.