Home / 33,821.79-46,692.84-20,396.45

Finding the Fourth Proportional to 33,821.79, 46,692.84 and 20,396.45

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Solution

The fourth proportional to 33,821.79, 46,692.84 and 20,396.45 is: 28,158.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,821.79 : 46,692.84 = 20,396.45 : x
  2. Step 2: Convert to fraction form
    33,821.79/46,692.84 = 20,396.45/x
  3. Step 3: Cross multiply
    33,821.79x = 46,692.84 × 20,396.45
  4. Step 4: Simplify right side
    33,821.79x = 952,367,942.95
  5. Step 5: Solve for x
    x = 952,367,942.95/33,821.79
  6. Step 6: Final answer
    x = 28,158.41

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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.