Home / 30,601.44-42,226.56-17,169.90

Finding the Fourth Proportional to 30,601.44, 42,226.56 and 17,169.90

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Solution

The fourth proportional to 30,601.44, 42,226.56 and 17,169.90 is: 23,692.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,601.44 : 42,226.56 = 17,169.90 : x
  2. Step 2: Convert to fraction form
    30,601.44/42,226.56 = 17,169.90/x
  3. Step 3: Cross multiply
    30,601.44x = 42,226.56 × 17,169.90
  4. Step 4: Simplify right side
    30,601.44x = 725,025,812.54
  5. Step 5: Solve for x
    x = 725,025,812.54/30,601.44
  6. Step 6: Final answer
    x = 23,692.54

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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.