Home / 31,540.92-43,528.62-18,292.92

Finding the Fourth Proportional to 31,540.92, 43,528.62 and 18,292.92

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Solution

The fourth proportional to 31,540.92, 43,528.62 and 18,292.92 is: 25,245.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,540.92 : 43,528.62 = 18,292.92 : x
  2. Step 2: Convert to fraction form
    31,540.92/43,528.62 = 18,292.92/x
  3. Step 3: Cross multiply
    31,540.92x = 43,528.62 × 18,292.92
  4. Step 4: Simplify right side
    31,540.92x = 796,265,563.37
  5. Step 5: Solve for x
    x = 796,265,563.37/31,540.92
  6. Step 6: Final answer
    x = 25,245.48

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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.