Home / 31,735.32-43,794.30-18,306.60

Finding the Fourth Proportional to 31,735.32, 43,794.30 and 18,306.60

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Solution

The fourth proportional to 31,735.32, 43,794.30 and 18,306.60 is: 25,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,735.32 : 43,794.30 = 18,306.60 : x
  2. Step 2: Convert to fraction form
    31,735.32/43,794.30 = 18,306.60/x
  3. Step 3: Cross multiply
    31,735.32x = 43,794.30 × 18,306.60
  4. Step 4: Simplify right side
    31,735.32x = 801,724,732.38
  5. Step 5: Solve for x
    x = 801,724,732.38/31,735.32
  6. Step 6: Final answer
    x = 25,262.85

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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.