Home / 36,891.24-50,912.31-20,977.17

Finding the Fourth Proportional to 36,891.24, 50,912.31 and 20,977.17

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Solution

The fourth proportional to 36,891.24, 50,912.31 and 20,977.17 is: 28,949.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,891.24 : 50,912.31 = 20,977.17 : x
  2. Step 2: Convert to fraction form
    36,891.24/50,912.31 = 20,977.17/x
  3. Step 3: Cross multiply
    36,891.24x = 50,912.31 × 20,977.17
  4. Step 4: Simplify right side
    36,891.24x = 1,067,996,181.96
  5. Step 5: Solve for x
    x = 1,067,996,181.96/36,891.24
  6. Step 6: Final answer
    x = 28,949.86

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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.