Home / 31,175.19-43,021.99-17,028.03

Finding the Fourth Proportional to 31,175.19, 43,021.99 and 17,028.03

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Solution

The fourth proportional to 31,175.19, 43,021.99 and 17,028.03 is: 23,498.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,175.19 : 43,021.99 = 17,028.03 : x
  2. Step 2: Convert to fraction form
    31,175.19/43,021.99 = 17,028.03/x
  3. Step 3: Cross multiply
    31,175.19x = 43,021.99 × 17,028.03
  4. Step 4: Simplify right side
    31,175.19x = 732,579,736.38
  5. Step 5: Solve for x
    x = 732,579,736.38/31,175.19
  6. Step 6: Final answer
    x = 23,498.81

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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.