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Finding the Fourth Proportional to 57,644.30, 79,535.58 and 34,982.78

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Solution

The fourth proportional to 57,644.30, 79,535.58 and 34,982.78 is: 48,268.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,644.30 : 79,535.58 = 34,982.78 : x
  2. Step 2: Convert to fraction form
    57,644.30/79,535.58 = 34,982.78/x
  3. Step 3: Cross multiply
    57,644.30x = 79,535.58 × 34,982.78
  4. Step 4: Simplify right side
    57,644.30x = 2,782,375,697.31
  5. Step 5: Solve for x
    x = 2,782,375,697.31/57,644.30
  6. Step 6: Final answer
    x = 48,268.02

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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.