Home / 50,571.23-75,865.05-18,983.77

Finding the Fourth Proportional to 50,571.23, 75,865.05 and 18,983.77

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Solution

The fourth proportional to 50,571.23, 75,865.05 and 18,983.77 is: 28,478.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,571.23 : 75,865.05 = 18,983.77 : x
  2. Step 2: Convert to fraction form
    50,571.23/75,865.05 = 18,983.77/x
  3. Step 3: Cross multiply
    50,571.23x = 75,865.05 × 18,983.77
  4. Step 4: Simplify right side
    50,571.23x = 1,440,204,470.58
  5. Step 5: Solve for x
    x = 1,440,204,470.58/50,571.23
  6. Step 6: Final answer
    x = 28,478.73

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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.