Home / 54,640.69-81,961.20-15,197.84

Finding the Fourth Proportional to 54,640.69, 81,961.20 and 15,197.84

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Solution

The fourth proportional to 54,640.69, 81,961.20 and 15,197.84 is: 22,796.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,640.69 : 81,961.20 = 15,197.84 : x
  2. Step 2: Convert to fraction form
    54,640.69/81,961.20 = 15,197.84/x
  3. Step 3: Cross multiply
    54,640.69x = 81,961.20 × 15,197.84
  4. Step 4: Simplify right side
    54,640.69x = 1,245,633,562.39
  5. Step 5: Solve for x
    x = 1,245,633,562.39/54,640.69
  6. Step 6: Final answer
    x = 22,796.81

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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.