Home / 31,163.72-43,006.56-17,016.64

Finding the Fourth Proportional to 31,163.72, 43,006.56 and 17,016.64

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Solution

The fourth proportional to 31,163.72, 43,006.56 and 17,016.64 is: 23,483.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,163.72 : 43,006.56 = 17,016.64 : x
  2. Step 2: Convert to fraction form
    31,163.72/43,006.56 = 17,016.64/x
  3. Step 3: Cross multiply
    31,163.72x = 43,006.56 × 17,016.64
  4. Step 4: Simplify right side
    31,163.72x = 731,827,149.16
  5. Step 5: Solve for x
    x = 731,827,149.16/31,163.72
  6. Step 6: Final answer
    x = 23,483.31

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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.