Home / 50,409.12-69,414.42-49,290.31

Finding the Fourth Proportional to 50,409.12, 69,414.42 and 49,290.31

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Solution

The fourth proportional to 50,409.12, 69,414.42 and 49,290.31 is: 67,873.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,409.12 : 69,414.42 = 49,290.31 : x
  2. Step 2: Convert to fraction form
    50,409.12/69,414.42 = 49,290.31/x
  3. Step 3: Cross multiply
    50,409.12x = 69,414.42 × 49,290.31
  4. Step 4: Simplify right side
    50,409.12x = 3,421,458,280.27
  5. Step 5: Solve for x
    x = 3,421,458,280.27/50,409.12
  6. Step 6: Final answer
    x = 67,873.80

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