Home / 55,579.53-76,692.61-31,704.78

Finding the Fourth Proportional to 55,579.53, 76,692.61 and 31,704.78

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Solution

The fourth proportional to 55,579.53, 76,692.61 and 31,704.78 is: 43,748.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,579.53 : 76,692.61 = 31,704.78 : x
  2. Step 2: Convert to fraction form
    55,579.53/76,692.61 = 31,704.78/x
  3. Step 3: Cross multiply
    55,579.53x = 76,692.61 × 31,704.78
  4. Step 4: Simplify right side
    55,579.53x = 2,431,522,169.15
  5. Step 5: Solve for x
    x = 2,431,522,169.15/55,579.53
  6. Step 6: Final answer
    x = 43,748.52

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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.