Home / 33,787.28-50,673.22-12,729.50

Finding the Fourth Proportional to 33,787.28, 50,673.22 and 12,729.50

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Solution

The fourth proportional to 33,787.28, 50,673.22 and 12,729.50 is: 19,091.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,787.28 : 50,673.22 = 12,729.50 : x
  2. Step 2: Convert to fraction form
    33,787.28/50,673.22 = 12,729.50/x
  3. Step 3: Cross multiply
    33,787.28x = 50,673.22 × 12,729.50
  4. Step 4: Simplify right side
    33,787.28x = 645,044,753.99
  5. Step 5: Solve for x
    x = 645,044,753.99/33,787.28
  6. Step 6: Final answer
    x = 19,091.35

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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.