Home / 31,963.72-47,915.34-17,150.44

Finding the Fourth Proportional to 31,963.72, 47,915.34 and 17,150.44

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Solution

The fourth proportional to 31,963.72, 47,915.34 and 17,150.44 is: 25,709.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,963.72 : 47,915.34 = 17,150.44 : x
  2. Step 2: Convert to fraction form
    31,963.72/47,915.34 = 17,150.44/x
  3. Step 3: Cross multiply
    31,963.72x = 47,915.34 × 17,150.44
  4. Step 4: Simplify right side
    31,963.72x = 821,769,163.75
  5. Step 5: Solve for x
    x = 821,769,163.75/31,963.72
  6. Step 6: Final answer
    x = 25,709.43

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1.5x scale

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.