Home / 31,258.26-43,091.58-22,290.21

Finding the Fourth Proportional to 31,258.26, 43,091.58 and 22,290.21

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Solution

The fourth proportional to 31,258.26, 43,091.58 and 22,290.21 is: 30,728.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,258.26 : 43,091.58 = 22,290.21 : x
  2. Step 2: Convert to fraction form
    31,258.26/43,091.58 = 22,290.21/x
  3. Step 3: Cross multiply
    31,258.26x = 43,091.58 × 22,290.21
  4. Step 4: Simplify right side
    31,258.26x = 960,520,367.43
  5. Step 5: Solve for x
    x = 960,520,367.43/31,258.26
  6. Step 6: Final answer
    x = 30,728.53

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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.