Home / 31,175.45-43,022.33-17,028.29

Finding the Fourth Proportional to 31,175.45, 43,022.33 and 17,028.29

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Solution

The fourth proportional to 31,175.45, 43,022.33 and 17,028.29 is: 23,499.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,175.45 : 43,022.33 = 17,028.29 : x
  2. Step 2: Convert to fraction form
    31,175.45/43,022.33 = 17,028.29/x
  3. Step 3: Cross multiply
    31,175.45x = 43,022.33 × 17,028.29
  4. Step 4: Simplify right side
    31,175.45x = 732,596,411.46
  5. Step 5: Solve for x
    x = 732,596,411.46/31,175.45
  6. Step 6: Final answer
    x = 23,499.15

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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.