Home / 36,112.20-49,837.38-20,198.13

Finding the Fourth Proportional to 36,112.20, 49,837.38 and 20,198.13

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Solution

The fourth proportional to 36,112.20, 49,837.38 and 20,198.13 is: 27,874.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,112.20 : 49,837.38 = 20,198.13 : x
  2. Step 2: Convert to fraction form
    36,112.20/49,837.38 = 20,198.13/x
  3. Step 3: Cross multiply
    36,112.20x = 49,837.38 × 20,198.13
  4. Step 4: Simplify right side
    36,112.20x = 1,006,621,880.10
  5. Step 5: Solve for x
    x = 1,006,621,880.10/36,112.20
  6. Step 6: Final answer
    x = 27,874.84

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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.