Home / 31,751.12-43,869.30-25,087.88

Finding the Fourth Proportional to 31,751.12, 43,869.30 and 25,087.88

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Solution

The fourth proportional to 31,751.12, 43,869.30 and 25,087.88 is: 34,662.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,751.12 : 43,869.30 = 25,087.88 : x
  2. Step 2: Convert to fraction form
    31,751.12/43,869.30 = 25,087.88/x
  3. Step 3: Cross multiply
    31,751.12x = 43,869.30 × 25,087.88
  4. Step 4: Simplify right side
    31,751.12x = 1,100,587,734.08
  5. Step 5: Solve for x
    x = 1,100,587,734.08/31,751.12
  6. Step 6: Final answer
    x = 34,662.96

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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.