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Finding the Fourth Proportional to 50,775.76, 76,179.30 and 22,719.34

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Solution

The fourth proportional to 50,775.76, 76,179.30 and 22,719.34 is: 34,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,775.76 : 76,179.30 = 22,719.34 : x
  2. Step 2: Convert to fraction form
    50,775.76/76,179.30 = 22,719.34/x
  3. Step 3: Cross multiply
    50,775.76x = 76,179.30 × 22,719.34
  4. Step 4: Simplify right side
    50,775.76x = 1,730,743,417.66
  5. Step 5: Solve for x
    x = 1,730,743,417.66/50,775.76
  6. Step 6: Final answer
    x = 34,086.02

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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.