Home / 30,601.73-42,232.25-17,173.85

Finding the Fourth Proportional to 30,601.73, 42,232.25 and 17,173.85

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Solution

The fourth proportional to 30,601.73, 42,232.25 and 17,173.85 is: 23,700.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,601.73 : 42,232.25 = 17,173.85 : x
  2. Step 2: Convert to fraction form
    30,601.73/42,232.25 = 17,173.85/x
  3. Step 3: Cross multiply
    30,601.73x = 42,232.25 × 17,173.85
  4. Step 4: Simplify right side
    30,601.73x = 725,290,158.44
  5. Step 5: Solve for x
    x = 725,290,158.44/30,601.73
  6. Step 6: Final answer
    x = 23,700.95

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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.