Home / 38,663.11-58,016.96-20,893.80

Finding the Fourth Proportional to 38,663.11, 58,016.96 and 20,893.80

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Solution

The fourth proportional to 38,663.11, 58,016.96 and 20,893.80 is: 31,352.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,663.11 : 58,016.96 = 20,893.80 : x
  2. Step 2: Convert to fraction form
    38,663.11/58,016.96 = 20,893.80/x
  3. Step 3: Cross multiply
    38,663.11x = 58,016.96 × 20,893.80
  4. Step 4: Simplify right side
    38,663.11x = 1,212,194,758.85
  5. Step 5: Solve for x
    x = 1,212,194,758.85/38,663.11
  6. Step 6: Final answer
    x = 31,352.75

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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.