Home / 48,660.57-73,019.68-20,579.09

Finding the Fourth Proportional to 48,660.57, 73,019.68 and 20,579.09

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Solution

The fourth proportional to 48,660.57, 73,019.68 and 20,579.09 is: 30,880.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,660.57 : 73,019.68 = 20,579.09 : x
  2. Step 2: Convert to fraction form
    48,660.57/73,019.68 = 20,579.09/x
  3. Step 3: Cross multiply
    48,660.57x = 73,019.68 × 20,579.09
  4. Step 4: Simplify right side
    48,660.57x = 1,502,678,149.95
  5. Step 5: Solve for x
    x = 1,502,678,149.95/48,660.57
  6. Step 6: Final answer
    x = 30,880.82

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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.