Home / 54,148.45-81,241.12-29,190.91

Finding the Fourth Proportional to 54,148.45, 81,241.12 and 29,190.91

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Solution

The fourth proportional to 54,148.45, 81,241.12 and 29,190.91 is: 43,796.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,148.45 : 81,241.12 = 29,190.91 : x
  2. Step 2: Convert to fraction form
    54,148.45/81,241.12 = 29,190.91/x
  3. Step 3: Cross multiply
    54,148.45x = 81,241.12 × 29,190.91
  4. Step 4: Simplify right side
    54,148.45x = 2,371,502,076.26
  5. Step 5: Solve for x
    x = 2,371,502,076.26/54,148.45
  6. Step 6: Final answer
    x = 43,796.31

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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.