Home / 43,949.43-65,928.03-12,359.76

Finding the Fourth Proportional to 43,949.43, 65,928.03 and 12,359.76

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Solution

The fourth proportional to 43,949.43, 65,928.03 and 12,359.76 is: 18,540.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,949.43 : 65,928.03 = 12,359.76 : x
  2. Step 2: Convert to fraction form
    43,949.43/65,928.03 = 12,359.76/x
  3. Step 3: Cross multiply
    43,949.43x = 65,928.03 × 12,359.76
  4. Step 4: Simplify right side
    43,949.43x = 814,854,628.07
  5. Step 5: Solve for x
    x = 814,854,628.07/43,949.43
  6. Step 6: Final answer
    x = 18,540.73

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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.