Home / 49,277.79-73,920.77-21,198.53

Finding the Fourth Proportional to 49,277.79, 73,920.77 and 21,198.53

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Solution

The fourth proportional to 49,277.79, 73,920.77 and 21,198.53 is: 31,799.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,277.79 : 73,920.77 = 21,198.53 : x
  2. Step 2: Convert to fraction form
    49,277.79/73,920.77 = 21,198.53/x
  3. Step 3: Cross multiply
    49,277.79x = 73,920.77 × 21,198.53
  4. Step 4: Simplify right side
    49,277.79x = 1,567,011,184.87
  5. Step 5: Solve for x
    x = 1,567,011,184.87/49,277.79
  6. Step 6: Final answer
    x = 31,799.54

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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.