Home / 54,087.90-81,162.39-29,127.42

Finding the Fourth Proportional to 54,087.90, 81,162.39 and 29,127.42

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Solution

The fourth proportional to 54,087.90, 81,162.39 and 29,127.42 is: 43,707.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,087.90 : 81,162.39 = 29,127.42 : x
  2. Step 2: Convert to fraction form
    54,087.90/81,162.39 = 29,127.42/x
  3. Step 3: Cross multiply
    54,087.90x = 81,162.39 × 29,127.42
  4. Step 4: Simplify right side
    54,087.90x = 2,364,051,021.73
  5. Step 5: Solve for x
    x = 2,364,051,021.73/54,087.90
  6. Step 6: Final answer
    x = 43,707.58

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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.