Home / 30,198.90-41,674.89-16,771.02

Finding the Fourth Proportional to 30,198.90, 41,674.89 and 16,771.02

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Solution

The fourth proportional to 30,198.90, 41,674.89 and 16,771.02 is: 23,144.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,198.90 : 41,674.89 = 16,771.02 : x
  2. Step 2: Convert to fraction form
    30,198.90/41,674.89 = 16,771.02/x
  3. Step 3: Cross multiply
    30,198.90x = 41,674.89 × 16,771.02
  4. Step 4: Simplify right side
    30,198.90x = 698,930,413.69
  5. Step 5: Solve for x
    x = 698,930,413.69/30,198.90
  6. Step 6: Final answer
    x = 23,144.23

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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.