Home / 31,344.60-43,255.60-17,197.55

Finding the Fourth Proportional to 31,344.60, 43,255.60 and 17,197.55

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Solution

The fourth proportional to 31,344.60, 43,255.60 and 17,197.55 is: 23,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344.60 : 43,255.60 = 17,197.55 : x
  2. Step 2: Convert to fraction form
    31,344.60/43,255.60 = 17,197.55/x
  3. Step 3: Cross multiply
    31,344.60x = 43,255.60 × 17,197.55
  4. Step 4: Simplify right side
    31,344.60x = 743,890,127.50
  5. Step 5: Solve for x
    x = 743,890,127.50/31,344.60
  6. Step 6: Final answer
    x = 23,732.64

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1.5x scale

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.