Home / 31,736.44-43,789.98-19,161.88

Finding the Fourth Proportional to 31,736.44, 43,789.98 and 19,161.88

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Solution

The fourth proportional to 31,736.44, 43,789.98 and 19,161.88 is: 26,439.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,736.44 : 43,789.98 = 19,161.88 : x
  2. Step 2: Convert to fraction form
    31,736.44/43,789.98 = 19,161.88/x
  3. Step 3: Cross multiply
    31,736.44x = 43,789.98 × 19,161.88
  4. Step 4: Simplify right side
    31,736.44x = 839,098,341.96
  5. Step 5: Solve for x
    x = 839,098,341.96/31,736.44
  6. Step 6: Final answer
    x = 26,439.59

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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.