Home / 49,379.56-74,067.64-19,789.44

Finding the Fourth Proportional to 49,379.56, 74,067.64 and 19,789.44

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Solution

The fourth proportional to 49,379.56, 74,067.64 and 19,789.44 is: 29,683.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,379.56 : 74,067.64 = 19,789.44 : x
  2. Step 2: Convert to fraction form
    49,379.56/74,067.64 = 19,789.44/x
  3. Step 3: Cross multiply
    49,379.56x = 74,067.64 × 19,789.44
  4. Step 4: Simplify right side
    49,379.56x = 1,465,757,117.72
  5. Step 5: Solve for x
    x = 1,465,757,117.72/49,379.56
  6. Step 6: Final answer
    x = 29,683.48

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1.5x scale

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.