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Finding the Fourth Proportional to 52,251.42, 72,107.48 and 28,378.56

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Solution

The fourth proportional to 52,251.42, 72,107.48 and 28,378.56 is: 39,162.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,251.42 : 72,107.48 = 28,378.56 : x
  2. Step 2: Convert to fraction form
    52,251.42/72,107.48 = 28,378.56/x
  3. Step 3: Cross multiply
    52,251.42x = 72,107.48 × 28,378.56
  4. Step 4: Simplify right side
    52,251.42x = 2,046,306,447.63
  5. Step 5: Solve for x
    x = 2,046,306,447.63/52,251.42
  6. Step 6: Final answer
    x = 39,162.70

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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.