Home / 56,644.20-84,869.10-36,912.60

Finding the Fourth Proportional to 56,644.20, 84,869.10 and 36,912.60

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Solution

The fourth proportional to 56,644.20, 84,869.10 and 36,912.60 is: 55,305.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,644.20 : 84,869.10 = 36,912.60 : x
  2. Step 2: Convert to fraction form
    56,644.20/84,869.10 = 36,912.60/x
  3. Step 3: Cross multiply
    56,644.20x = 84,869.10 × 36,912.60
  4. Step 4: Simplify right side
    56,644.20x = 3,132,739,140.66
  5. Step 5: Solve for x
    x = 3,132,739,140.66/56,644.20
  6. Step 6: Final answer
    x = 55,305.56

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Why These Related Problems?

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