Home / 54,252.96-74,869.20-30,379.56

Finding the Fourth Proportional to 54,252.96, 74,869.20 and 30,379.56

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Solution

The fourth proportional to 54,252.96, 74,869.20 and 30,379.56 is: 41,923.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,252.96 : 74,869.20 = 30,379.56 : x
  2. Step 2: Convert to fraction form
    54,252.96/74,869.20 = 30,379.56/x
  3. Step 3: Cross multiply
    54,252.96x = 74,869.20 × 30,379.56
  4. Step 4: Simplify right side
    54,252.96x = 2,274,493,353.55
  5. Step 5: Solve for x
    x = 2,274,493,353.55/54,252.96
  6. Step 6: Final answer
    x = 41,923.86

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1.5x scale

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.