Home / 31,879.63-43,992.70-17,732.17

Finding the Fourth Proportional to 31,879.63, 43,992.70 and 17,732.17

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Solution

The fourth proportional to 31,879.63, 43,992.70 and 17,732.17 is: 24,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,879.63 : 43,992.70 = 17,732.17 : x
  2. Step 2: Convert to fraction form
    31,879.63/43,992.70 = 17,732.17/x
  3. Step 3: Cross multiply
    31,879.63x = 43,992.70 × 17,732.17
  4. Step 4: Simplify right side
    31,879.63x = 780,086,035.16
  5. Step 5: Solve for x
    x = 780,086,035.16/31,879.63
  6. Step 6: Final answer
    x = 24,469.73

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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.