Home / 36,187.32-49,942.18-20,874.44

Finding the Fourth Proportional to 36,187.32, 49,942.18 and 20,874.44

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Solution

The fourth proportional to 36,187.32, 49,942.18 and 20,874.44 is: 28,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,187.32 : 49,942.18 = 20,874.44 : x
  2. Step 2: Convert to fraction form
    36,187.32/49,942.18 = 20,874.44/x
  3. Step 3: Cross multiply
    36,187.32x = 49,942.18 × 20,874.44
  4. Step 4: Simplify right side
    36,187.32x = 1,042,515,039.88
  5. Step 5: Solve for x
    x = 1,042,515,039.88/36,187.32
  6. Step 6: Final answer
    x = 28,808.85

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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.