Home / 50,979.36-76,469.04-15,921.75

Finding the Fourth Proportional to 50,979.36, 76,469.04 and 15,921.75

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Solution

The fourth proportional to 50,979.36, 76,469.04 and 15,921.75 is: 23,882.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,979.36 : 76,469.04 = 15,921.75 : x
  2. Step 2: Convert to fraction form
    50,979.36/76,469.04 = 15,921.75/x
  3. Step 3: Cross multiply
    50,979.36x = 76,469.04 × 15,921.75
  4. Step 4: Simplify right side
    50,979.36x = 1,217,520,937.62
  5. Step 5: Solve for x
    x = 1,217,520,937.62/50,979.36
  6. Step 6: Final answer
    x = 23,882.63

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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.