Home / 51,629.22-71,243.96-28,965.15

Finding the Fourth Proportional to 51,629.22, 71,243.96 and 28,965.15

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Solution

The fourth proportional to 51,629.22, 71,243.96 and 28,965.15 is: 39,969.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,629.22 : 71,243.96 = 28,965.15 : x
  2. Step 2: Convert to fraction form
    51,629.22/71,243.96 = 28,965.15/x
  3. Step 3: Cross multiply
    51,629.22x = 71,243.96 × 28,965.15
  4. Step 4: Simplify right side
    51,629.22x = 2,063,591,843.17
  5. Step 5: Solve for x
    x = 2,063,591,843.17/51,629.22
  6. Step 6: Final answer
    x = 39,969.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.