Home / 47,857.50-71,786.86-16,692.75

Finding the Fourth Proportional to 47,857.50, 71,786.86 and 16,692.75

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Solution

The fourth proportional to 47,857.50, 71,786.86 and 16,692.75 is: 25,039.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,857.50 : 71,786.86 = 16,692.75 : x
  2. Step 2: Convert to fraction form
    47,857.50/71,786.86 = 16,692.75/x
  3. Step 3: Cross multiply
    47,857.50x = 71,786.86 × 16,692.75
  4. Step 4: Simplify right side
    47,857.50x = 1,198,320,065.53
  5. Step 5: Solve for x
    x = 1,198,320,065.53/47,857.50
  6. Step 6: Final answer
    x = 25,039.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.