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Finding the Fourth Proportional to 49,958.66, 68,912.79 and 32,956.86

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Solution

The fourth proportional to 49,958.66, 68,912.79 and 32,956.86 is: 45,460.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,958.66 : 68,912.79 = 32,956.86 : x
  2. Step 2: Convert to fraction form
    49,958.66/68,912.79 = 32,956.86/x
  3. Step 3: Cross multiply
    49,958.66x = 68,912.79 × 32,956.86
  4. Step 4: Simplify right side
    49,958.66x = 2,271,149,172.24
  5. Step 5: Solve for x
    x = 2,271,149,172.24/49,958.66
  6. Step 6: Final answer
    x = 45,460.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.