Home / 31,258.44-43,136.68-17,111.32

Finding the Fourth Proportional to 31,258.44, 43,136.68 and 17,111.32

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Solution

The fourth proportional to 31,258.44, 43,136.68 and 17,111.32 is: 23,613.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,258.44 : 43,136.68 = 17,111.32 : x
  2. Step 2: Convert to fraction form
    31,258.44/43,136.68 = 17,111.32/x
  3. Step 3: Cross multiply
    31,258.44x = 43,136.68 × 17,111.32
  4. Step 4: Simplify right side
    31,258.44x = 738,125,535.22
  5. Step 5: Solve for x
    x = 738,125,535.22/31,258.44
  6. Step 6: Final answer
    x = 23,613.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.