Home / 30,103.32-41,540.66-17,355.84

Finding the Fourth Proportional to 30,103.32, 41,540.66 and 17,355.84

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Solution

The fourth proportional to 30,103.32, 41,540.66 and 17,355.84 is: 23,949.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,103.32 : 41,540.66 = 17,355.84 : x
  2. Step 2: Convert to fraction form
    30,103.32/41,540.66 = 17,355.84/x
  3. Step 3: Cross multiply
    30,103.32x = 41,540.66 × 17,355.84
  4. Step 4: Simplify right side
    30,103.32x = 720,972,753.97
  5. Step 5: Solve for x
    x = 720,972,753.97/30,103.32
  6. Step 6: Final answer
    x = 23,949.95

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1.5x scale

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.