Home / 38,879.73-58,307.45-12,579.03

Finding the Fourth Proportional to 38,879.73, 58,307.45 and 12,579.03

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Solution

The fourth proportional to 38,879.73, 58,307.45 and 12,579.03 is: 18,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,879.73 : 58,307.45 = 12,579.03 : x
  2. Step 2: Convert to fraction form
    38,879.73/58,307.45 = 12,579.03/x
  3. Step 3: Cross multiply
    38,879.73x = 58,307.45 × 12,579.03
  4. Step 4: Simplify right side
    38,879.73x = 733,451,099.88
  5. Step 5: Solve for x
    x = 733,451,099.88/38,879.73
  6. Step 6: Final answer
    x = 18,864.61

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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.