Home / 36,936.68-55,405.76-11,976.66

Finding the Fourth Proportional to 36,936.68, 55,405.76 and 11,976.66

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Solution

The fourth proportional to 36,936.68, 55,405.76 and 11,976.66 is: 17,965.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,936.68 : 55,405.76 = 11,976.66 : x
  2. Step 2: Convert to fraction form
    36,936.68/55,405.76 = 11,976.66/x
  3. Step 3: Cross multiply
    36,936.68x = 55,405.76 × 11,976.66
  4. Step 4: Simplify right side
    36,936.68x = 663,575,889.68
  5. Step 5: Solve for x
    x = 663,575,889.68/36,936.68
  6. Step 6: Final answer
    x = 17,965.23

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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.