Home / 54,422.88-81,634.31-19,362.63

Finding the Fourth Proportional to 54,422.88, 81,634.31 and 19,362.63

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Solution

The fourth proportional to 54,422.88, 81,634.31 and 19,362.63 is: 29,043.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,422.88 : 81,634.31 = 19,362.63 : x
  2. Step 2: Convert to fraction form
    54,422.88/81,634.31 = 19,362.63/x
  3. Step 3: Cross multiply
    54,422.88x = 81,634.31 × 19,362.63
  4. Step 4: Simplify right side
    54,422.88x = 1,580,654,939.84
  5. Step 5: Solve for x
    x = 1,580,654,939.84/54,422.88
  6. Step 6: Final answer
    x = 29,043.94

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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.