Home / 31,258.22-43,136.46-17,112.38

Finding the Fourth Proportional to 31,258.22, 43,136.46 and 17,112.38

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Solution

The fourth proportional to 31,258.22, 43,136.46 and 17,112.38 is: 23,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,258.22 : 43,136.46 = 17,112.38 : x
  2. Step 2: Convert to fraction form
    31,258.22/43,136.46 = 17,112.38/x
  3. Step 3: Cross multiply
    31,258.22x = 43,136.46 × 17,112.38
  4. Step 4: Simplify right side
    31,258.22x = 738,167,495.37
  5. Step 5: Solve for x
    x = 738,167,495.37/31,258.22
  6. Step 6: Final answer
    x = 23,615.15

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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.