Home / 30,203.53-41,679.46-16,775.61

Finding the Fourth Proportional to 30,203.53, 41,679.46 and 16,775.61

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Solution

The fourth proportional to 30,203.53, 41,679.46 and 16,775.61 is: 23,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,203.53 : 41,679.46 = 16,775.61 : x
  2. Step 2: Convert to fraction form
    30,203.53/41,679.46 = 16,775.61/x
  3. Step 3: Cross multiply
    30,203.53x = 41,679.46 × 16,775.61
  4. Step 4: Simplify right side
    30,203.53x = 699,198,230.64
  5. Step 5: Solve for x
    x = 699,198,230.64/30,203.53
  6. Step 6: Final answer
    x = 23,149.55

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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.