Home / 36,787.92-50,769.84-20,872.48

Finding the Fourth Proportional to 36,787.92, 50,769.84 and 20,872.48

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Solution

The fourth proportional to 36,787.92, 50,769.84 and 20,872.48 is: 28,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,787.92 : 50,769.84 = 20,872.48 : x
  2. Step 2: Convert to fraction form
    36,787.92/50,769.84 = 20,872.48/x
  3. Step 3: Cross multiply
    36,787.92x = 50,769.84 × 20,872.48
  4. Step 4: Simplify right side
    36,787.92x = 1,059,692,470.00
  5. Step 5: Solve for x
    x = 1,059,692,470.00/36,787.92
  6. Step 6: Final answer
    x = 28,805.45

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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.