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Finding the Fourth Proportional to 57,863.16, 79,855.18 and 32,377.92

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Solution

The fourth proportional to 57,863.16, 79,855.18 and 32,377.92 is: 44,683.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,863.16 : 79,855.18 = 32,377.92 : x
  2. Step 2: Convert to fraction form
    57,863.16/79,855.18 = 32,377.92/x
  3. Step 3: Cross multiply
    57,863.16x = 79,855.18 × 32,377.92
  4. Step 4: Simplify right side
    57,863.16x = 2,585,544,629.63
  5. Step 5: Solve for x
    x = 2,585,544,629.63/57,863.16
  6. Step 6: Final answer
    x = 44,683.78

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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.