Home / 50,723.52-76,035.83-21,149.81

Finding the Fourth Proportional to 50,723.52, 76,035.83 and 21,149.81

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Solution

The fourth proportional to 50,723.52, 76,035.83 and 21,149.81 is: 31,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,723.52 : 76,035.83 = 21,149.81 : x
  2. Step 2: Convert to fraction form
    50,723.52/76,035.83 = 21,149.81/x
  3. Step 3: Cross multiply
    50,723.52x = 76,035.83 × 21,149.81
  4. Step 4: Simplify right side
    50,723.52x = 1,608,143,357.69
  5. Step 5: Solve for x
    x = 1,608,143,357.69/50,723.52
  6. Step 6: Final answer
    x = 31,704.10

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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.