Home / 36,081.24-49,791.78-19,949.64

Finding the Fourth Proportional to 36,081.24, 49,791.78 and 19,949.64

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Solution

The fourth proportional to 36,081.24, 49,791.78 and 19,949.64 is: 27,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,081.24 : 49,791.78 = 19,949.64 : x
  2. Step 2: Convert to fraction form
    36,081.24/49,791.78 = 19,949.64/x
  3. Step 3: Cross multiply
    36,081.24x = 49,791.78 × 19,949.64
  4. Step 4: Simplify right side
    36,081.24x = 993,328,085.96
  5. Step 5: Solve for x
    x = 993,328,085.96/36,081.24
  6. Step 6: Final answer
    x = 27,530.32

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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.