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Finding the Fourth Proportional to 30,012, 41,418.99 and 17,439.18

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Solution

The fourth proportional to 30,012, 41,418.99 and 17,439.18 is: 24,067.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,012 : 41,418.99 = 17,439.18 : x
  2. Step 2: Convert to fraction form
    30,012/41,418.99 = 17,439.18/x
  3. Step 3: Cross multiply
    30,012x = 41,418.99 × 17,439.18
  4. Step 4: Simplify right side
    30,012x = 722,313,222.03
  5. Step 5: Solve for x
    x = 722,313,222.03/30,012
  6. Step 6: Final answer
    x = 24,067.48

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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.