Home / 50,450.20-69,621.75-27,789.28

Finding the Fourth Proportional to 50,450.20, 69,621.75 and 27,789.28

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Solution

The fourth proportional to 50,450.20, 69,621.75 and 27,789.28 is: 38,349.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,450.20 : 69,621.75 = 27,789.28 : x
  2. Step 2: Convert to fraction form
    50,450.20/69,621.75 = 27,789.28/x
  3. Step 3: Cross multiply
    50,450.20x = 69,621.75 × 27,789.28
  4. Step 4: Simplify right side
    50,450.20x = 1,934,738,304.84
  5. Step 5: Solve for x
    x = 1,934,738,304.84/50,450.20
  6. Step 6: Final answer
    x = 38,349.47

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1.5x scale

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.