Home / 36,115.20-49,697.28-31,933.44

Finding the Fourth Proportional to 36,115.20, 49,697.28 and 31,933.44

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Solution

The fourth proportional to 36,115.20, 49,697.28 and 31,933.44 is: 43,942.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,115.20 : 49,697.28 = 31,933.44 : x
  2. Step 2: Convert to fraction form
    36,115.20/49,697.28 = 31,933.44/x
  3. Step 3: Cross multiply
    36,115.20x = 49,697.28 × 31,933.44
  4. Step 4: Simplify right side
    36,115.20x = 1,587,005,109.04
  5. Step 5: Solve for x
    x = 1,587,005,109.04/36,115.20
  6. Step 6: Final answer
    x = 43,942.86

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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.