Home / 33,821.34-46,662.87-20,396.70

Finding the Fourth Proportional to 33,821.34, 46,662.87 and 20,396.70

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Solution

The fourth proportional to 33,821.34, 46,662.87 and 20,396.70 is: 28,141.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,821.34 : 46,662.87 = 20,396.70 : x
  2. Step 2: Convert to fraction form
    33,821.34/46,662.87 = 20,396.70/x
  3. Step 3: Cross multiply
    33,821.34x = 46,662.87 × 20,396.70
  4. Step 4: Simplify right side
    33,821.34x = 951,768,560.53
  5. Step 5: Solve for x
    x = 951,768,560.53/33,821.34
  6. Step 6: Final answer
    x = 28,141.07

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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.