Home / 31,310.72-43,175.04-23,770.88

Finding the Fourth Proportional to 31,310.72, 43,175.04 and 23,770.88

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Solution

The fourth proportional to 31,310.72, 43,175.04 and 23,770.88 is: 32,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,310.72 : 43,175.04 = 23,770.88 : x
  2. Step 2: Convert to fraction form
    31,310.72/43,175.04 = 23,770.88/x
  3. Step 3: Cross multiply
    31,310.72x = 43,175.04 × 23,770.88
  4. Step 4: Simplify right side
    31,310.72x = 1,026,308,694.84
  5. Step 5: Solve for x
    x = 1,026,308,694.84/31,310.72
  6. Step 6: Final answer
    x = 32,778.19

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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.