Home / 54,673.15-81,997.41-19,612.80

Finding the Fourth Proportional to 54,673.15, 81,997.41 and 19,612.80

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Solution

The fourth proportional to 54,673.15, 81,997.41 and 19,612.80 is: 29,414.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,673.15 : 81,997.41 = 19,612.80 : x
  2. Step 2: Convert to fraction form
    54,673.15/81,997.41 = 19,612.80/x
  3. Step 3: Cross multiply
    54,673.15x = 81,997.41 × 19,612.80
  4. Step 4: Simplify right side
    54,673.15x = 1,608,198,802.85
  5. Step 5: Solve for x
    x = 1,608,198,802.85/54,673.15
  6. Step 6: Final answer
    x = 29,414.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.