Home / 50,225.80-75,382.44-20,664.96

Finding the Fourth Proportional to 50,225.80, 75,382.44 and 20,664.96

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Solution

The fourth proportional to 50,225.80, 75,382.44 and 20,664.96 is: 31,015.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,225.80 : 75,382.44 = 20,664.96 : x
  2. Step 2: Convert to fraction form
    50,225.80/75,382.44 = 20,664.96/x
  3. Step 3: Cross multiply
    50,225.80x = 75,382.44 × 20,664.96
  4. Step 4: Simplify right side
    50,225.80x = 1,557,775,107.30
  5. Step 5: Solve for x
    x = 1,557,775,107.30/50,225.80
  6. Step 6: Final answer
    x = 31,015.44

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1.5x scale

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.