Home / 30,268.49-41,766.03-16,839.90

Finding the Fourth Proportional to 30,268.49, 41,766.03 and 16,839.90

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Solution

The fourth proportional to 30,268.49, 41,766.03 and 16,839.90 is: 23,236.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.49 : 41,766.03 = 16,839.90 : x
  2. Step 2: Convert to fraction form
    30,268.49/41,766.03 = 16,839.90/x
  3. Step 3: Cross multiply
    30,268.49x = 41,766.03 × 16,839.90
  4. Step 4: Simplify right side
    30,268.49x = 703,335,768.60
  5. Step 5: Solve for x
    x = 703,335,768.60/30,268.49
  6. Step 6: Final answer
    x = 23,236.57

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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.