Home / 31,626.75-43,644.32-17,479.60

Finding the Fourth Proportional to 31,626.75, 43,644.32 and 17,479.60

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Solution

The fourth proportional to 31,626.75, 43,644.32 and 17,479.60 is: 24,121.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,626.75 : 43,644.32 = 17,479.60 : x
  2. Step 2: Convert to fraction form
    31,626.75/43,644.32 = 17,479.60/x
  3. Step 3: Cross multiply
    31,626.75x = 43,644.32 × 17,479.60
  4. Step 4: Simplify right side
    31,626.75x = 762,885,124.91
  5. Step 5: Solve for x
    x = 762,885,124.91/31,626.75
  6. Step 6: Final answer
    x = 24,121.51

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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.