Home / 36,789.28-50,769.52-20,873.76

Finding the Fourth Proportional to 36,789.28, 50,769.52 and 20,873.76

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Solution

The fourth proportional to 36,789.28, 50,769.52 and 20,873.76 is: 28,805.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,789.28 : 50,769.52 = 20,873.76 : x
  2. Step 2: Convert to fraction form
    36,789.28/50,769.52 = 20,873.76/x
  3. Step 3: Cross multiply
    36,789.28x = 50,769.52 × 20,873.76
  4. Step 4: Simplify right side
    36,789.28x = 1,059,750,775.80
  5. Step 5: Solve for x
    x = 1,059,750,775.80/36,789.28
  6. Step 6: Final answer
    x = 28,805.97

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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.