Home / 31,258.41-43,136.62-17,111.25

Finding the Fourth Proportional to 31,258.41, 43,136.62 and 17,111.25

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Solution

The fourth proportional to 31,258.41, 43,136.62 and 17,111.25 is: 23,613.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,258.41 : 43,136.62 = 17,111.25 : x
  2. Step 2: Convert to fraction form
    31,258.41/43,136.62 = 17,111.25/x
  3. Step 3: Cross multiply
    31,258.41x = 43,136.62 × 17,111.25
  4. Step 4: Simplify right side
    31,258.41x = 738,121,446.20
  5. Step 5: Solve for x
    x = 738,121,446.20/31,258.41
  6. Step 6: Final answer
    x = 23,613.53

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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.