Home / 57,629.76-79,531.20-32,481.60

Finding the Fourth Proportional to 57,629.76, 79,531.20 and 32,481.60

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Solution

The fourth proportional to 57,629.76, 79,531.20 and 32,481.60 is: 44,825.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,629.76 : 79,531.20 = 32,481.60 : x
  2. Step 2: Convert to fraction form
    57,629.76/79,531.20 = 32,481.60/x
  3. Step 3: Cross multiply
    57,629.76x = 79,531.20 × 32,481.60
  4. Step 4: Simplify right side
    57,629.76x = 2,583,300,625.92
  5. Step 5: Solve for x
    x = 2,583,300,625.92/57,629.76
  6. Step 6: Final answer
    x = 44,825.81

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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.