Home / 31,634.75-43,655.96-19,062.11

Finding the Fourth Proportional to 31,634.75, 43,655.96 and 19,062.11

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Solution

The fourth proportional to 31,634.75, 43,655.96 and 19,062.11 is: 26,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,634.75 : 43,655.96 = 19,062.11 : x
  2. Step 2: Convert to fraction form
    31,634.75/43,655.96 = 19,062.11/x
  3. Step 3: Cross multiply
    31,634.75x = 43,655.96 × 19,062.11
  4. Step 4: Simplify right side
    31,634.75x = 832,174,711.68
  5. Step 5: Solve for x
    x = 832,174,711.68/31,634.75
  6. Step 6: Final answer
    x = 26,305.71

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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.