Home / 43,943.33-65,912.27-18,965.81

Finding the Fourth Proportional to 43,943.33, 65,912.27 and 18,965.81

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Solution

The fourth proportional to 43,943.33, 65,912.27 and 18,965.81 is: 28,447.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,943.33 : 65,912.27 = 18,965.81 : x
  2. Step 2: Convert to fraction form
    43,943.33/65,912.27 = 18,965.81/x
  3. Step 3: Cross multiply
    43,943.33x = 65,912.27 × 18,965.81
  4. Step 4: Simplify right side
    43,943.33x = 1,250,079,659.44
  5. Step 5: Solve for x
    x = 1,250,079,659.44/43,943.33
  6. Step 6: Final answer
    x = 28,447.54

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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.