Home / 43,540.40-65,315.64-17,247.44

Finding the Fourth Proportional to 43,540.40, 65,315.64 and 17,247.44

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Solution

The fourth proportional to 43,540.40, 65,315.64 and 17,247.44 is: 25,873.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,540.40 : 65,315.64 = 17,247.44 : x
  2. Step 2: Convert to fraction form
    43,540.40/65,315.64 = 17,247.44/x
  3. Step 3: Cross multiply
    43,540.40x = 65,315.64 × 17,247.44
  4. Step 4: Simplify right side
    43,540.40x = 1,126,527,581.96
  5. Step 5: Solve for x
    x = 1,126,527,581.96/43,540.40
  6. Step 6: Final answer
    x = 25,873.16

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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.