Home / 31,448.57-43,399.84-17,109.29

Finding the Fourth Proportional to 31,448.57, 43,399.84 and 17,109.29

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Solution

The fourth proportional to 31,448.57, 43,399.84 and 17,109.29 is: 23,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,448.57 : 43,399.84 = 17,109.29 : x
  2. Step 2: Convert to fraction form
    31,448.57/43,399.84 = 17,109.29/x
  3. Step 3: Cross multiply
    31,448.57x = 43,399.84 × 17,109.29
  4. Step 4: Simplify right side
    31,448.57x = 742,540,362.97
  5. Step 5: Solve for x
    x = 742,540,362.97/31,448.57
  6. Step 6: Final answer
    x = 23,611.26

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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.