Home / 51,169.52-76,732.32-17,879.60

Finding the Fourth Proportional to 51,169.52, 76,732.32 and 17,879.60

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Solution

The fourth proportional to 51,169.52, 76,732.32 and 17,879.60 is: 26,811.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,169.52 : 76,732.32 = 17,879.60 : x
  2. Step 2: Convert to fraction form
    51,169.52/76,732.32 = 17,879.60/x
  3. Step 3: Cross multiply
    51,169.52x = 76,732.32 × 17,879.60
  4. Step 4: Simplify right side
    51,169.52x = 1,371,943,188.67
  5. Step 5: Solve for x
    x = 1,371,943,188.67/51,169.52
  6. Step 6: Final answer
    x = 26,811.73

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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.