Home / 37,278.38-51,444.78-20,282.96

Finding the Fourth Proportional to 37,278.38, 51,444.78 and 20,282.96

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Solution

The fourth proportional to 37,278.38, 51,444.78 and 20,282.96 is: 27,990.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,278.38 : 51,444.78 = 20,282.96 : x
  2. Step 2: Convert to fraction form
    37,278.38/51,444.78 = 20,282.96/x
  3. Step 3: Cross multiply
    37,278.38x = 51,444.78 × 20,282.96
  4. Step 4: Simplify right side
    37,278.38x = 1,043,452,414.95
  5. Step 5: Solve for x
    x = 1,043,452,414.95/37,278.38
  6. Step 6: Final answer
    x = 27,990.82

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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.