Home / 30,163.30-41,630.34-16,738.88

Finding the Fourth Proportional to 30,163.30, 41,630.34 and 16,738.88

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Solution

The fourth proportional to 30,163.30, 41,630.34 and 16,738.88 is: 23,102.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,163.30 : 41,630.34 = 16,738.88 : x
  2. Step 2: Convert to fraction form
    30,163.30/41,630.34 = 16,738.88/x
  3. Step 3: Cross multiply
    30,163.30x = 41,630.34 × 16,738.88
  4. Step 4: Simplify right side
    30,163.30x = 696,845,265.62
  5. Step 5: Solve for x
    x = 696,845,265.62/30,163.30
  6. Step 6: Final answer
    x = 23,102.42

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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.