Home / 49,230.81-73,842.62-19,239.41

Finding the Fourth Proportional to 49,230.81, 73,842.62 and 19,239.41

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Solution

The fourth proportional to 49,230.81, 73,842.62 and 19,239.41 is: 28,857.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,230.81 : 73,842.62 = 19,239.41 : x
  2. Step 2: Convert to fraction form
    49,230.81/73,842.62 = 19,239.41/x
  3. Step 3: Cross multiply
    49,230.81x = 73,842.62 × 19,239.41
  4. Step 4: Simplify right side
    49,230.81x = 1,420,688,441.65
  5. Step 5: Solve for x
    x = 1,420,688,441.65/49,230.81
  6. Step 6: Final answer
    x = 28,857.71

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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.