Home / 36,081.36-49,789.92-20,166.96

Finding the Fourth Proportional to 36,081.36, 49,789.92 and 20,166.96

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Solution

The fourth proportional to 36,081.36, 49,789.92 and 20,166.96 is: 27,829.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,081.36 : 49,789.92 = 20,166.96 : x
  2. Step 2: Convert to fraction form
    36,081.36/49,789.92 = 20,166.96/x
  3. Step 3: Cross multiply
    36,081.36x = 49,789.92 × 20,166.96
  4. Step 4: Simplify right side
    36,081.36x = 1,004,111,325.04
  5. Step 5: Solve for x
    x = 1,004,111,325.04/36,081.36
  6. Step 6: Final answer
    x = 27,829.09

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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.