Home / 55,579.11-76,692.03-31,704.36

Finding the Fourth Proportional to 55,579.11, 76,692.03 and 31,704.36

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Solution

The fourth proportional to 55,579.11, 76,692.03 and 31,704.36 is: 43,747.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,579.11 : 76,692.03 = 31,704.36 : x
  2. Step 2: Convert to fraction form
    55,579.11/76,692.03 = 31,704.36/x
  3. Step 3: Cross multiply
    55,579.11x = 76,692.03 × 31,704.36
  4. Step 4: Simplify right side
    55,579.11x = 2,431,471,728.25
  5. Step 5: Solve for x
    x = 2,431,471,728.25/55,579.11
  6. Step 6: Final answer
    x = 43,747.94

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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.