Home / 54,759.97-82,139.96-21,495.70

Finding the Fourth Proportional to 54,759.97, 82,139.96 and 21,495.70

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Solution

The fourth proportional to 54,759.97, 82,139.96 and 21,495.70 is: 32,243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,759.97 : 82,139.96 = 21,495.70 : x
  2. Step 2: Convert to fraction form
    54,759.97/82,139.96 = 21,495.70/x
  3. Step 3: Cross multiply
    54,759.97x = 82,139.96 × 21,495.70
  4. Step 4: Simplify right side
    54,759.97x = 1,765,655,830.69
  5. Step 5: Solve for x
    x = 1,765,655,830.69/54,759.97
  6. Step 6: Final answer
    x = 32,243.55

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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.