Home / 54,979.11-75,871.64-29,828.79

Finding the Fourth Proportional to 54,979.11, 75,871.64 and 29,828.79

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Solution

The fourth proportional to 54,979.11, 75,871.64 and 29,828.79 is: 41,163.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,979.11 : 75,871.64 = 29,828.79 : x
  2. Step 2: Convert to fraction form
    54,979.11/75,871.64 = 29,828.79/x
  3. Step 3: Cross multiply
    54,979.11x = 75,871.64 × 29,828.79
  4. Step 4: Simplify right side
    54,979.11x = 2,263,159,067.37
  5. Step 5: Solve for x
    x = 2,263,159,067.37/54,979.11
  6. Step 6: Final answer
    x = 41,163.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.