Home / 50,579.30-75,902.81-20,997.16

Finding the Fourth Proportional to 50,579.30, 75,902.81 and 20,997.16

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Solution

The fourth proportional to 50,579.30, 75,902.81 and 20,997.16 is: 31,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,579.30 : 75,902.81 = 20,997.16 : x
  2. Step 2: Convert to fraction form
    50,579.30/75,902.81 = 20,997.16/x
  3. Step 3: Cross multiply
    50,579.30x = 75,902.81 × 20,997.16
  4. Step 4: Simplify right side
    50,579.30x = 1,593,743,151.28
  5. Step 5: Solve for x
    x = 1,593,743,151.28/50,579.30
  6. Step 6: Final answer
    x = 31,509.79

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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.