Home / 50,778.44-76,117.94-21,204.74

Finding the Fourth Proportional to 50,778.44, 76,117.94 and 21,204.74

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Solution

The fourth proportional to 50,778.44, 76,117.94 and 21,204.74 is: 31,786.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,778.44 : 76,117.94 = 21,204.74 : x
  2. Step 2: Convert to fraction form
    50,778.44/76,117.94 = 21,204.74/x
  3. Step 3: Cross multiply
    50,778.44x = 76,117.94 × 21,204.74
  4. Step 4: Simplify right side
    50,778.44x = 1,614,060,799.46
  5. Step 5: Solve for x
    x = 1,614,060,799.46/50,778.44
  6. Step 6: Final answer
    x = 31,786.34

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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.