Home / 54,144.68-81,221.70-19,084.64

Finding the Fourth Proportional to 54,144.68, 81,221.70 and 19,084.64

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Solution

The fourth proportional to 54,144.68, 81,221.70 and 19,084.64 is: 28,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,144.68 : 81,221.70 = 19,084.64 : x
  2. Step 2: Convert to fraction form
    54,144.68/81,221.70 = 19,084.64/x
  3. Step 3: Cross multiply
    54,144.68x = 81,221.70 × 19,084.64
  4. Step 4: Simplify right side
    54,144.68x = 1,550,086,904.69
  5. Step 5: Solve for x
    x = 1,550,086,904.69/54,144.68
  6. Step 6: Final answer
    x = 28,628.61

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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.