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Finding the Fourth Proportional to 48,183.70, 72,275.55 and 13,123.30

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Solution

The fourth proportional to 48,183.70, 72,275.55 and 13,123.30 is: 19,684.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,183.70 : 72,275.55 = 13,123.30 : x
  2. Step 2: Convert to fraction form
    48,183.70/72,275.55 = 13,123.30/x
  3. Step 3: Cross multiply
    48,183.70x = 72,275.55 × 13,123.30
  4. Step 4: Simplify right side
    48,183.70x = 948,493,725.32
  5. Step 5: Solve for x
    x = 948,493,725.32/48,183.70
  6. Step 6: Final answer
    x = 19,684.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.