Home / 43,481.41-65,221.40-17,186.38

Finding the Fourth Proportional to 43,481.41, 65,221.40 and 17,186.38

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Solution

The fourth proportional to 43,481.41, 65,221.40 and 17,186.38 is: 25,779.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,481.41 : 65,221.40 = 17,186.38 : x
  2. Step 2: Convert to fraction form
    43,481.41/65,221.40 = 17,186.38/x
  3. Step 3: Cross multiply
    43,481.41x = 65,221.40 × 17,186.38
  4. Step 4: Simplify right side
    43,481.41x = 1,120,919,644.44
  5. Step 5: Solve for x
    x = 1,120,919,644.44/43,481.41
  6. Step 6: Final answer
    x = 25,779.29

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1.5x scale

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.