Home / 31,321.44-43,223.46-17,175.18

Finding the Fourth Proportional to 31,321.44, 43,223.46 and 17,175.18

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Solution

The fourth proportional to 31,321.44, 43,223.46 and 17,175.18 is: 23,701.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,321.44 : 43,223.46 = 17,175.18 : x
  2. Step 2: Convert to fraction form
    31,321.44/43,223.46 = 17,175.18/x
  3. Step 3: Cross multiply
    31,321.44x = 43,223.46 × 17,175.18
  4. Step 4: Simplify right side
    31,321.44x = 742,370,705.72
  5. Step 5: Solve for x
    x = 742,370,705.72/31,321.44
  6. Step 6: Final answer
    x = 23,701.68

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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.