Home / 31,695.56-47,517.42-11,962.88

Finding the Fourth Proportional to 31,695.56, 47,517.42 and 11,962.88

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Solution

The fourth proportional to 31,695.56, 47,517.42 and 11,962.88 is: 17,934.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,695.56 : 47,517.42 = 11,962.88 : x
  2. Step 2: Convert to fraction form
    31,695.56/47,517.42 = 11,962.88/x
  3. Step 3: Cross multiply
    31,695.56x = 47,517.42 × 11,962.88
  4. Step 4: Simplify right side
    31,695.56x = 568,445,193.37
  5. Step 5: Solve for x
    x = 568,445,193.37/31,695.56
  6. Step 6: Final answer
    x = 17,934.54

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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.