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Finding the Fourth Proportional to 57,356.96, 79,150.03 and 31,865.11

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Solution

The fourth proportional to 57,356.96, 79,150.03 and 31,865.11 is: 43,972.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,356.96 : 79,150.03 = 31,865.11 : x
  2. Step 2: Convert to fraction form
    57,356.96/79,150.03 = 31,865.11/x
  3. Step 3: Cross multiply
    57,356.96x = 79,150.03 × 31,865.11
  4. Step 4: Simplify right side
    57,356.96x = 2,522,124,134.92
  5. Step 5: Solve for x
    x = 2,522,124,134.92/57,356.96
  6. Step 6: Final answer
    x = 43,972.42

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