Home / 33,692.58-50,511.12-13,431.38

Finding the Fourth Proportional to 33,692.58, 50,511.12 and 13,431.38

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Solution

The fourth proportional to 33,692.58, 50,511.12 and 13,431.38 is: 20,136.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,692.58 : 50,511.12 = 13,431.38 : x
  2. Step 2: Convert to fraction form
    33,692.58/50,511.12 = 13,431.38/x
  3. Step 3: Cross multiply
    33,692.58x = 50,511.12 × 13,431.38
  4. Step 4: Simplify right side
    33,692.58x = 678,434,046.95
  5. Step 5: Solve for x
    x = 678,434,046.95/33,692.58
  6. Step 6: Final answer
    x = 20,136.01

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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.