Home / 31,542.41-43,527.06-18,104.21

Finding the Fourth Proportional to 31,542.41, 43,527.06 and 18,104.21

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Solution

The fourth proportional to 31,542.41, 43,527.06 and 18,104.21 is: 24,982.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542.41 : 43,527.06 = 18,104.21 : x
  2. Step 2: Convert to fraction form
    31,542.41/43,527.06 = 18,104.21/x
  3. Step 3: Cross multiply
    31,542.41x = 43,527.06 × 18,104.21
  4. Step 4: Simplify right side
    31,542.41x = 788,023,034.92
  5. Step 5: Solve for x
    x = 788,023,034.92/31,542.41
  6. Step 6: Final answer
    x = 24,982.97

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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.