Home / 29,621.97-40,879.49-16,194.20

Finding the Fourth Proportional to 29,621.97, 40,879.49 and 16,194.20

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Solution

The fourth proportional to 29,621.97, 40,879.49 and 16,194.20 is: 22,348.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,621.97 : 40,879.49 = 16,194.20 : x
  2. Step 2: Convert to fraction form
    29,621.97/40,879.49 = 16,194.20/x
  3. Step 3: Cross multiply
    29,621.97x = 40,879.49 × 16,194.20
  4. Step 4: Simplify right side
    29,621.97x = 662,010,351.59
  5. Step 5: Solve for x
    x = 662,010,351.59/29,621.97
  6. Step 6: Final answer
    x = 22,348.63

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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.