Home / 36,991.25-51,049.19-20,225.33

Finding the Fourth Proportional to 36,991.25, 51,049.19 and 20,225.33

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Solution

The fourth proportional to 36,991.25, 51,049.19 and 20,225.33 is: 27,911.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,991.25 : 51,049.19 = 20,225.33 : x
  2. Step 2: Convert to fraction form
    36,991.25/51,049.19 = 20,225.33/x
  3. Step 3: Cross multiply
    36,991.25x = 51,049.19 × 20,225.33
  4. Step 4: Simplify right side
    36,991.25x = 1,032,486,612.86
  5. Step 5: Solve for x
    x = 1,032,486,612.86/36,991.25
  6. Step 6: Final answer
    x = 27,911.64

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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.