Home / 40,503.68-60,778.24-17,147.60

Finding the Fourth Proportional to 40,503.68, 60,778.24 and 17,147.60

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Solution

The fourth proportional to 40,503.68, 60,778.24 and 17,147.60 is: 25,731.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,503.68 : 60,778.24 = 17,147.60 : x
  2. Step 2: Convert to fraction form
    40,503.68/60,778.24 = 17,147.60/x
  3. Step 3: Cross multiply
    40,503.68x = 60,778.24 × 17,147.60
  4. Step 4: Simplify right side
    40,503.68x = 1,042,200,948.22
  5. Step 5: Solve for x
    x = 1,042,200,948.22/40,503.68
  6. Step 6: Final answer
    x = 25,731.02

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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.