Home / 45,478.73-68,227.55-19,183.70

Finding the Fourth Proportional to 45,478.73, 68,227.55 and 19,183.70

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Solution

The fourth proportional to 45,478.73, 68,227.55 and 19,183.70 is: 28,779.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,478.73 : 68,227.55 = 19,183.70 : x
  2. Step 2: Convert to fraction form
    45,478.73/68,227.55 = 19,183.70/x
  3. Step 3: Cross multiply
    45,478.73x = 68,227.55 × 19,183.70
  4. Step 4: Simplify right side
    45,478.73x = 1,308,856,997.52
  5. Step 5: Solve for x
    x = 1,308,856,997.52/45,478.73
  6. Step 6: Final answer
    x = 28,779.54

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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.