Home / 43,481.70-65,244.15-17,187.30

Finding the Fourth Proportional to 43,481.70, 65,244.15 and 17,187.30

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Solution

The fourth proportional to 43,481.70, 65,244.15 and 17,187.30 is: 25,789.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,481.70 : 65,244.15 = 17,187.30 : x
  2. Step 2: Convert to fraction form
    43,481.70/65,244.15 = 17,187.30/x
  3. Step 3: Cross multiply
    43,481.70x = 65,244.15 × 17,187.30
  4. Step 4: Simplify right side
    43,481.70x = 1,121,370,779.30
  5. Step 5: Solve for x
    x = 1,121,370,779.30/43,481.70
  6. Step 6: Final answer
    x = 25,789.49

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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.