Home / 30,198.08-41,671.95-16,770.19

Finding the Fourth Proportional to 30,198.08, 41,671.95 and 16,770.19

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Solution

The fourth proportional to 30,198.08, 41,671.95 and 16,770.19 is: 23,142.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,198.08 : 41,671.95 = 16,770.19 : x
  2. Step 2: Convert to fraction form
    30,198.08/41,671.95 = 16,770.19/x
  3. Step 3: Cross multiply
    30,198.08x = 41,671.95 × 16,770.19
  4. Step 4: Simplify right side
    30,198.08x = 698,846,519.17
  5. Step 5: Solve for x
    x = 698,846,519.17/30,198.08
  6. Step 6: Final answer
    x = 23,142.08

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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.