Home / 31,713.06-43,764.60-18,282

Finding the Fourth Proportional to 31,713.06, 43,764.60 and 18,282

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Solution

The fourth proportional to 31,713.06, 43,764.60 and 18,282 is: 25,229.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,713.06 : 43,764.60 = 18,282 : x
  2. Step 2: Convert to fraction form
    31,713.06/43,764.60 = 18,282/x
  3. Step 3: Cross multiply
    31,713.06x = 43,764.60 × 18,282
  4. Step 4: Simplify right side
    31,713.06x = 800,104,417.20
  5. Step 5: Solve for x
    x = 800,104,417.20/31,713.06
  6. Step 6: Final answer
    x = 25,229.49

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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.