Home / 30,194.72-41,669.79-16,766.20

Finding the Fourth Proportional to 30,194.72, 41,669.79 and 16,766.20

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Solution

The fourth proportional to 30,194.72, 41,669.79 and 16,766.20 is: 23,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,194.72 : 41,669.79 = 16,766.20 : x
  2. Step 2: Convert to fraction form
    30,194.72/41,669.79 = 16,766.20/x
  3. Step 3: Cross multiply
    30,194.72x = 41,669.79 × 16,766.20
  4. Step 4: Simplify right side
    30,194.72x = 698,644,033.10
  5. Step 5: Solve for x
    x = 698,644,033.10/30,194.72
  6. Step 6: Final answer
    x = 23,137.95

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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.