Home / 36,115.12-49,832.22-20,199.70

Finding the Fourth Proportional to 36,115.12, 49,832.22 and 20,199.70

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Solution

The fourth proportional to 36,115.12, 49,832.22 and 20,199.70 is: 27,871.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,115.12 : 49,832.22 = 20,199.70 : x
  2. Step 2: Convert to fraction form
    36,115.12/49,832.22 = 20,199.70/x
  3. Step 3: Cross multiply
    36,115.12x = 49,832.22 × 20,199.70
  4. Step 4: Simplify right side
    36,115.12x = 1,006,595,894.33
  5. Step 5: Solve for x
    x = 1,006,595,894.33/36,115.12
  6. Step 6: Final answer
    x = 27,871.87

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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.