Home / 30,625.84-42,266.10-17,198

Finding the Fourth Proportional to 30,625.84, 42,266.10 and 17,198

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Solution

The fourth proportional to 30,625.84, 42,266.10 and 17,198 is: 23,734.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,625.84 : 42,266.10 = 17,198 : x
  2. Step 2: Convert to fraction form
    30,625.84/42,266.10 = 17,198/x
  3. Step 3: Cross multiply
    30,625.84x = 42,266.10 × 17,198
  4. Step 4: Simplify right side
    30,625.84x = 726,892,387.80
  5. Step 5: Solve for x
    x = 726,892,387.80/30,625.84
  6. Step 6: Final answer
    x = 23,734.61

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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.