Home / 48,660.39-73,019.41-20,578.91

Finding the Fourth Proportional to 48,660.39, 73,019.41 and 20,578.91

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Solution

The fourth proportional to 48,660.39, 73,019.41 and 20,578.91 is: 30,880.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,660.39 : 73,019.41 = 20,578.91 : x
  2. Step 2: Convert to fraction form
    48,660.39/73,019.41 = 20,578.91/x
  3. Step 3: Cross multiply
    48,660.39x = 73,019.41 × 20,578.91
  4. Step 4: Simplify right side
    48,660.39x = 1,502,659,450.10
  5. Step 5: Solve for x
    x = 1,502,659,450.10/48,660.39
  6. Step 6: Final answer
    x = 30,880.55

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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.