Home / 36,786.52-55,184.82-11,820.64

Finding the Fourth Proportional to 36,786.52, 55,184.82 and 11,820.64

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Solution

The fourth proportional to 36,786.52, 55,184.82 and 11,820.64 is: 17,732.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,786.52 : 55,184.82 = 11,820.64 : x
  2. Step 2: Convert to fraction form
    36,786.52/55,184.82 = 11,820.64/x
  3. Step 3: Cross multiply
    36,786.52x = 55,184.82 × 11,820.64
  4. Step 4: Simplify right side
    36,786.52x = 652,319,890.68
  5. Step 5: Solve for x
    x = 652,319,890.68/36,786.52
  6. Step 6: Final answer
    x = 17,732.58

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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.