Home / 50,086.48-69,121.21-28,579.73

Finding the Fourth Proportional to 50,086.48, 69,121.21 and 28,579.73

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Solution

The fourth proportional to 50,086.48, 69,121.21 and 28,579.73 is: 39,441.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,086.48 : 69,121.21 = 28,579.73 : x
  2. Step 2: Convert to fraction form
    50,086.48/69,121.21 = 28,579.73/x
  3. Step 3: Cross multiply
    50,086.48x = 69,121.21 × 28,579.73
  4. Step 4: Simplify right side
    50,086.48x = 1,975,465,376.17
  5. Step 5: Solve for x
    x = 1,975,465,376.17/50,086.48
  6. Step 6: Final answer
    x = 39,441.09

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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.