Home / 40,777.38-61,115.82-19,441.31

Finding the Fourth Proportional to 40,777.38, 61,115.82 and 19,441.31

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Solution

The fourth proportional to 40,777.38, 61,115.82 and 19,441.31 is: 29,138.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,777.38 : 61,115.82 = 19,441.31 : x
  2. Step 2: Convert to fraction form
    40,777.38/61,115.82 = 19,441.31/x
  3. Step 3: Cross multiply
    40,777.38x = 61,115.82 × 19,441.31
  4. Step 4: Simplify right side
    40,777.38x = 1,188,171,296.95
  5. Step 5: Solve for x
    x = 1,188,171,296.95/40,777.38
  6. Step 6: Final answer
    x = 29,138.00

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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.