Home / 36,081.68-49,791.78-20,166.23

Finding the Fourth Proportional to 36,081.68, 49,791.78 and 20,166.23

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Solution

The fourth proportional to 36,081.68, 49,791.78 and 20,166.23 is: 27,828.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,081.68 : 49,791.78 = 20,166.23 : x
  2. Step 2: Convert to fraction form
    36,081.68/49,791.78 = 20,166.23/x
  3. Step 3: Cross multiply
    36,081.68x = 49,791.78 × 20,166.23
  4. Step 4: Simplify right side
    36,081.68x = 1,004,112,238.63
  5. Step 5: Solve for x
    x = 1,004,112,238.63/36,081.68
  6. Step 6: Final answer
    x = 27,828.87

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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.