Home / 31,794.42-47,691.90-12,067.68

Finding the Fourth Proportional to 31,794.42, 47,691.90 and 12,067.68

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Solution

The fourth proportional to 31,794.42, 47,691.90 and 12,067.68 is: 18,101.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,794.42 : 47,691.90 = 12,067.68 : x
  2. Step 2: Convert to fraction form
    31,794.42/47,691.90 = 12,067.68/x
  3. Step 3: Cross multiply
    31,794.42x = 47,691.90 × 12,067.68
  4. Step 4: Simplify right side
    31,794.42x = 575,530,587.79
  5. Step 5: Solve for x
    x = 575,530,587.79/31,794.42
  6. Step 6: Final answer
    x = 18,101.62

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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.