Home / 45,183.47-67,793.78-19,869.95

Finding the Fourth Proportional to 45,183.47, 67,793.78 and 19,869.95

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Solution

The fourth proportional to 45,183.47, 67,793.78 and 19,869.95 is: 29,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,183.47 : 67,793.78 = 19,869.95 : x
  2. Step 2: Convert to fraction form
    45,183.47/67,793.78 = 19,869.95/x
  3. Step 3: Cross multiply
    45,183.47x = 67,793.78 × 19,869.95
  4. Step 4: Simplify right side
    45,183.47x = 1,347,059,018.91
  5. Step 5: Solve for x
    x = 1,347,059,018.91/45,183.47
  6. Step 6: Final answer
    x = 29,813.10

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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.