Home / 31,295.22-43,187.57-17,148.57

Finding the Fourth Proportional to 31,295.22, 43,187.57 and 17,148.57

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Solution

The fourth proportional to 31,295.22, 43,187.57 and 17,148.57 is: 23,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,295.22 : 43,187.57 = 17,148.57 : x
  2. Step 2: Convert to fraction form
    31,295.22/43,187.57 = 17,148.57/x
  3. Step 3: Cross multiply
    31,295.22x = 43,187.57 × 17,148.57
  4. Step 4: Simplify right side
    31,295.22x = 740,605,067.27
  5. Step 5: Solve for x
    x = 740,605,067.27/31,295.22
  6. Step 6: Final answer
    x = 23,665.12

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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.