Home / 39,235.84-54,144.32-22,241.65

Finding the Fourth Proportional to 39,235.84, 54,144.32 and 22,241.65

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Solution

The fourth proportional to 39,235.84, 54,144.32 and 22,241.65 is: 30,692.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,235.84 : 54,144.32 = 22,241.65 : x
  2. Step 2: Convert to fraction form
    39,235.84/54,144.32 = 22,241.65/x
  3. Step 3: Cross multiply
    39,235.84x = 54,144.32 × 22,241.65
  4. Step 4: Simplify right side
    39,235.84x = 1,204,259,014.93
  5. Step 5: Solve for x
    x = 1,204,259,014.93/39,235.84
  6. Step 6: Final answer
    x = 30,692.83

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Half scale
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Double scale
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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.