Home / 31,626.75-43,644.58-17,479.63

Finding the Fourth Proportional to 31,626.75, 43,644.58 and 17,479.63

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Solution

The fourth proportional to 31,626.75, 43,644.58 and 17,479.63 is: 24,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,626.75 : 43,644.58 = 17,479.63 : x
  2. Step 2: Convert to fraction form
    31,626.75/43,644.58 = 17,479.63/x
  3. Step 3: Cross multiply
    31,626.75x = 43,644.58 × 17,479.63
  4. Step 4: Simplify right side
    31,626.75x = 762,891,109.91
  5. Step 5: Solve for x
    x = 762,891,109.91/31,626.75
  6. Step 6: Final answer
    x = 24,121.70

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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.