Home / 37,976.75-56,951.92-21,135.45

Finding the Fourth Proportional to 37,976.75, 56,951.92 and 21,135.45

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Solution

The fourth proportional to 37,976.75, 56,951.92 and 21,135.45 is: 31,695.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,976.75 : 56,951.92 = 21,135.45 : x
  2. Step 2: Convert to fraction form
    37,976.75/56,951.92 = 21,135.45/x
  3. Step 3: Cross multiply
    37,976.75x = 56,951.92 × 21,135.45
  4. Step 4: Simplify right side
    37,976.75x = 1,203,704,404.73
  5. Step 5: Solve for x
    x = 1,203,704,404.73/37,976.75
  6. Step 6: Final answer
    x = 31,695.83

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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.