Home / 31,690.14-43,732.90-17,349.73

Finding the Fourth Proportional to 31,690.14, 43,732.90 and 17,349.73

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Solution

The fourth proportional to 31,690.14, 43,732.90 and 17,349.73 is: 23,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,690.14 : 43,732.90 = 17,349.73 : x
  2. Step 2: Convert to fraction form
    31,690.14/43,732.90 = 17,349.73/x
  3. Step 3: Cross multiply
    31,690.14x = 43,732.90 × 17,349.73
  4. Step 4: Simplify right side
    31,690.14x = 758,753,831.83
  5. Step 5: Solve for x
    x = 758,753,831.83/31,690.14
  6. Step 6: Final answer
    x = 23,942.90

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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.