Home / 36,081.18-49,791.88-20,165.62

Finding the Fourth Proportional to 36,081.18, 49,791.88 and 20,165.62

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Solution

The fourth proportional to 36,081.18, 49,791.88 and 20,165.62 is: 27,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,081.18 : 49,791.88 = 20,165.62 : x
  2. Step 2: Convert to fraction form
    36,081.18/49,791.88 = 20,165.62/x
  3. Step 3: Cross multiply
    36,081.18x = 49,791.88 × 20,165.62
  4. Step 4: Simplify right side
    36,081.18x = 1,004,084,131.17
  5. Step 5: Solve for x
    x = 1,004,084,131.17/36,081.18
  6. Step 6: Final answer
    x = 27,828.47

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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.