Home / 50,817.78-76,212.90-21,229.43

Finding the Fourth Proportional to 50,817.78, 76,212.90 and 21,229.43

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Solution

The fourth proportional to 50,817.78, 76,212.90 and 21,229.43 is: 31,838.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,817.78 : 76,212.90 = 21,229.43 : x
  2. Step 2: Convert to fraction form
    50,817.78/76,212.90 = 21,229.43/x
  3. Step 3: Cross multiply
    50,817.78x = 76,212.90 × 21,229.43
  4. Step 4: Simplify right side
    50,817.78x = 1,617,956,044.58
  5. Step 5: Solve for x
    x = 1,617,956,044.58/50,817.78
  6. Step 6: Final answer
    x = 31,838.39

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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.