Home / 36,951.26-55,427.76-11,991.38

Finding the Fourth Proportional to 36,951.26, 55,427.76 and 11,991.38

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Solution

The fourth proportional to 36,951.26, 55,427.76 and 11,991.38 is: 17,987.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,951.26 : 55,427.76 = 11,991.38 : x
  2. Step 2: Convert to fraction form
    36,951.26/55,427.76 = 11,991.38/x
  3. Step 3: Cross multiply
    36,951.26x = 55,427.76 × 11,991.38
  4. Step 4: Simplify right side
    36,951.26x = 664,655,055.57
  5. Step 5: Solve for x
    x = 664,655,055.57/36,951.26
  6. Step 6: Final answer
    x = 17,987.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.