Home / 36,991.25-51,049.97-21,072.65

Finding the Fourth Proportional to 36,991.25, 51,049.97 and 21,072.65

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Solution

The fourth proportional to 36,991.25, 51,049.97 and 21,072.65 is: 29,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,991.25 : 51,049.97 = 21,072.65 : x
  2. Step 2: Convert to fraction form
    36,991.25/51,049.97 = 21,072.65/x
  3. Step 3: Cross multiply
    36,991.25x = 51,049.97 × 21,072.65
  4. Step 4: Simplify right side
    36,991.25x = 1,075,758,150.32
  5. Step 5: Solve for x
    x = 1,075,758,150.32/36,991.25
  6. Step 6: Final answer
    x = 29,081.42

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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.