Home / 36,911.82-55,375.02-13,538.46

Finding the Fourth Proportional to 36,911.82, 55,375.02 and 13,538.46

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Solution

The fourth proportional to 36,911.82, 55,375.02 and 13,538.46 is: 20,310.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,911.82 : 55,375.02 = 13,538.46 : x
  2. Step 2: Convert to fraction form
    36,911.82/55,375.02 = 13,538.46/x
  3. Step 3: Cross multiply
    36,911.82x = 55,375.02 × 13,538.46
  4. Step 4: Simplify right side
    36,911.82x = 749,692,493.27
  5. Step 5: Solve for x
    x = 749,692,493.27/36,911.82
  6. Step 6: Final answer
    x = 20,310.36

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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.