Home / 48,727.62-73,099.05-20,647.74

Finding the Fourth Proportional to 48,727.62, 73,099.05 and 20,647.74

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Solution

The fourth proportional to 48,727.62, 73,099.05 and 20,647.74 is: 30,974.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,727.62 : 73,099.05 = 20,647.74 : x
  2. Step 2: Convert to fraction form
    48,727.62/73,099.05 = 20,647.74/x
  3. Step 3: Cross multiply
    48,727.62x = 73,099.05 × 20,647.74
  4. Step 4: Simplify right side
    48,727.62x = 1,509,330,178.65
  5. Step 5: Solve for x
    x = 1,509,330,178.65/48,727.62
  6. Step 6: Final answer
    x = 30,974.84

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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.