Home / 31,626.24-43,644.60-17,478.96

Finding the Fourth Proportional to 31,626.24, 43,644.60 and 17,478.96

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Solution

The fourth proportional to 31,626.24, 43,644.60 and 17,478.96 is: 24,121.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,626.24 : 43,644.60 = 17,478.96 : x
  2. Step 2: Convert to fraction form
    31,626.24/43,644.60 = 17,478.96/x
  3. Step 3: Cross multiply
    31,626.24x = 43,644.60 × 17,478.96
  4. Step 4: Simplify right side
    31,626.24x = 762,862,217.62
  5. Step 5: Solve for x
    x = 762,862,217.62/31,626.24
  6. Step 6: Final answer
    x = 24,121.18

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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.