Home / 36,787.28-50,766.76-20,871.76

Finding the Fourth Proportional to 36,787.28, 50,766.76 and 20,871.76

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Solution

The fourth proportional to 36,787.28, 50,766.76 and 20,871.76 is: 28,803.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,787.28 : 50,766.76 = 20,871.76 : x
  2. Step 2: Convert to fraction form
    36,787.28/50,766.76 = 20,871.76/x
  3. Step 3: Cross multiply
    36,787.28x = 50,766.76 × 20,871.76
  4. Step 4: Simplify right side
    36,787.28x = 1,059,591,630.70
  5. Step 5: Solve for x
    x = 1,059,591,630.70/36,787.28
  6. Step 6: Final answer
    x = 28,803.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.