Home / 30,630.15-42,266.66-17,198.82

Finding the Fourth Proportional to 30,630.15, 42,266.66 and 17,198.82

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Solution

The fourth proportional to 30,630.15, 42,266.66 and 17,198.82 is: 23,732.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,630.15 : 42,266.66 = 17,198.82 : x
  2. Step 2: Convert to fraction form
    30,630.15/42,266.66 = 17,198.82/x
  3. Step 3: Cross multiply
    30,630.15x = 42,266.66 × 17,198.82
  4. Step 4: Simplify right side
    30,630.15x = 726,936,591.35
  5. Step 5: Solve for x
    x = 726,936,591.35/30,630.15
  6. Step 6: Final answer
    x = 23,732.71

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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.