Home / 36,086.21-49,799.07-20,170.65

Finding the Fourth Proportional to 36,086.21, 49,799.07 and 20,170.65

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Solution

The fourth proportional to 36,086.21, 49,799.07 and 20,170.65 is: 27,835.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,086.21 : 49,799.07 = 20,170.65 : x
  2. Step 2: Convert to fraction form
    36,086.21/49,799.07 = 20,170.65/x
  3. Step 3: Cross multiply
    36,086.21x = 49,799.07 × 20,170.65
  4. Step 4: Simplify right side
    36,086.21x = 1,004,479,798.04
  5. Step 5: Solve for x
    x = 1,004,479,798.04/36,086.21
  6. Step 6: Final answer
    x = 27,835.56

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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.