Home / 31,267.60-43,149.54-17,120.56

Finding the Fourth Proportional to 31,267.60, 43,149.54 and 17,120.56

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Solution

The fourth proportional to 31,267.60, 43,149.54 and 17,120.56 is: 23,626.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,267.60 : 43,149.54 = 17,120.56 : x
  2. Step 2: Convert to fraction form
    31,267.60/43,149.54 = 17,120.56/x
  3. Step 3: Cross multiply
    31,267.60x = 43,149.54 × 17,120.56
  4. Step 4: Simplify right side
    31,267.60x = 738,744,288.54
  5. Step 5: Solve for x
    x = 738,744,288.54/31,267.60
  6. Step 6: Final answer
    x = 23,626.51

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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.