Home / 31,451.91-43,396.50-22,958.66

Finding the Fourth Proportional to 31,451.91, 43,396.50 and 22,958.66

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Solution

The fourth proportional to 31,451.91, 43,396.50 and 22,958.66 is: 31,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,451.91 : 43,396.50 = 22,958.66 : x
  2. Step 2: Convert to fraction form
    31,451.91/43,396.50 = 22,958.66/x
  3. Step 3: Cross multiply
    31,451.91x = 43,396.50 × 22,958.66
  4. Step 4: Simplify right side
    31,451.91x = 996,325,488.69
  5. Step 5: Solve for x
    x = 996,325,488.69/31,451.91
  6. Step 6: Final answer
    x = 31,677.74

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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.