Home / 31,175.05-43,020.87-17,027.95

Finding the Fourth Proportional to 31,175.05, 43,020.87 and 17,027.95

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Solution

The fourth proportional to 31,175.05, 43,020.87 and 17,027.95 is: 23,498.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,175.05 : 43,020.87 = 17,027.95 : x
  2. Step 2: Convert to fraction form
    31,175.05/43,020.87 = 17,027.95/x
  3. Step 3: Cross multiply
    31,175.05x = 43,020.87 × 17,027.95
  4. Step 4: Simplify right side
    31,175.05x = 732,557,223.32
  5. Step 5: Solve for x
    x = 732,557,223.32/31,175.05
  6. Step 6: Final answer
    x = 23,498.19

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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.