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Finding the Fourth Proportional to 57,863.91, 79,859.55 and 32,371.69

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Solution

The fourth proportional to 57,863.91, 79,859.55 and 32,371.69 is: 44,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,863.91 : 79,859.55 = 32,371.69 : x
  2. Step 2: Convert to fraction form
    57,863.91/79,859.55 = 32,371.69/x
  3. Step 3: Cross multiply
    57,863.91x = 79,859.55 × 32,371.69
  4. Step 4: Simplify right side
    57,863.91x = 2,585,188,596.14
  5. Step 5: Solve for x
    x = 2,585,188,596.14/57,863.91
  6. Step 6: Final answer
    x = 44,677.05

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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.