Home / 49,221.70-73,792.05-21,163.30

Finding the Fourth Proportional to 49,221.70, 73,792.05 and 21,163.30

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Solution

The fourth proportional to 49,221.70, 73,792.05 and 21,163.30 is: 31,727.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,221.70 : 73,792.05 = 21,163.30 : x
  2. Step 2: Convert to fraction form
    49,221.70/73,792.05 = 21,163.30/x
  3. Step 3: Cross multiply
    49,221.70x = 73,792.05 × 21,163.30
  4. Step 4: Simplify right side
    49,221.70x = 1,561,683,291.77
  5. Step 5: Solve for x
    x = 1,561,683,291.77/49,221.70
  6. Step 6: Final answer
    x = 31,727.54

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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.