Home / 54,614.08-81,789.90-31,169.44

Finding the Fourth Proportional to 54,614.08, 81,789.90 and 31,169.44

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Solution

The fourth proportional to 54,614.08, 81,789.90 and 31,169.44 is: 46,679.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,614.08 : 81,789.90 = 31,169.44 : x
  2. Step 2: Convert to fraction form
    54,614.08/81,789.90 = 31,169.44/x
  3. Step 3: Cross multiply
    54,614.08x = 81,789.90 × 31,169.44
  4. Step 4: Simplify right side
    54,614.08x = 2,549,345,380.66
  5. Step 5: Solve for x
    x = 2,549,345,380.66/54,614.08
  6. Step 6: Final answer
    x = 46,679.27

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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.