Home / 50,571.54-75,879.18-19,399.50

Finding the Fourth Proportional to 50,571.54, 75,879.18 and 19,399.50

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Solution

The fourth proportional to 50,571.54, 75,879.18 and 19,399.50 is: 29,107.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,571.54 : 75,879.18 = 19,399.50 : x
  2. Step 2: Convert to fraction form
    50,571.54/75,879.18 = 19,399.50/x
  3. Step 3: Cross multiply
    50,571.54x = 75,879.18 × 19,399.50
  4. Step 4: Simplify right side
    50,571.54x = 1,472,018,152.41
  5. Step 5: Solve for x
    x = 1,472,018,152.41/50,571.54
  6. Step 6: Final answer
    x = 29,107.64

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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.