Home / 50,979.60-76,451.22-19,381.25

Finding the Fourth Proportional to 50,979.60, 76,451.22 and 19,381.25

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Solution

The fourth proportional to 50,979.60, 76,451.22 and 19,381.25 is: 29,064.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,979.60 : 76,451.22 = 19,381.25 : x
  2. Step 2: Convert to fraction form
    50,979.60/76,451.22 = 19,381.25/x
  3. Step 3: Cross multiply
    50,979.60x = 76,451.22 × 19,381.25
  4. Step 4: Simplify right side
    50,979.60x = 1,481,720,398.75
  5. Step 5: Solve for x
    x = 1,481,720,398.75/50,979.60
  6. Step 6: Final answer
    x = 29,064.97

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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.