Home / 54,928.33-82,392.46-19,859.78

Finding the Fourth Proportional to 54,928.33, 82,392.46 and 19,859.78

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Solution

The fourth proportional to 54,928.33, 82,392.46 and 19,859.78 is: 29,789.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,928.33 : 82,392.46 = 19,859.78 : x
  2. Step 2: Convert to fraction form
    54,928.33/82,392.46 = 19,859.78/x
  3. Step 3: Cross multiply
    54,928.33x = 82,392.46 × 19,859.78
  4. Step 4: Simplify right side
    54,928.33x = 1,636,296,285.59
  5. Step 5: Solve for x
    x = 1,636,296,285.59/54,928.33
  6. Step 6: Final answer
    x = 29,789.66

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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.