Home / 30,200.58-41,675.39-16,772.70

Finding the Fourth Proportional to 30,200.58, 41,675.39 and 16,772.70

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Solution

The fourth proportional to 30,200.58, 41,675.39 and 16,772.70 is: 23,145.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200.58 : 41,675.39 = 16,772.70 : x
  2. Step 2: Convert to fraction form
    30,200.58/41,675.39 = 16,772.70/x
  3. Step 3: Cross multiply
    30,200.58x = 41,675.39 × 16,772.70
  4. Step 4: Simplify right side
    30,200.58x = 699,008,813.85
  5. Step 5: Solve for x
    x = 699,008,813.85/30,200.58
  6. Step 6: Final answer
    x = 23,145.54

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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.