Home / 50,131.60-69,179.88-28,907.92

Finding the Fourth Proportional to 50,131.60, 69,179.88 and 28,907.92

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Solution

The fourth proportional to 50,131.60, 69,179.88 and 28,907.92 is: 39,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,131.60 : 69,179.88 = 28,907.92 : x
  2. Step 2: Convert to fraction form
    50,131.60/69,179.88 = 28,907.92/x
  3. Step 3: Cross multiply
    50,131.60x = 69,179.88 × 28,907.92
  4. Step 4: Simplify right side
    50,131.60x = 1,999,846,436.65
  5. Step 5: Solve for x
    x = 1,999,846,436.65/50,131.60
  6. Step 6: Final answer
    x = 39,891.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.