Home / 61,443.20-84,817.78-41,311.78

Finding the Fourth Proportional to 61,443.20, 84,817.78 and 41,311.78

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Solution

The fourth proportional to 61,443.20, 84,817.78 and 41,311.78 is: 57,027.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,443.20 : 84,817.78 = 41,311.78 : x
  2. Step 2: Convert to fraction form
    61,443.20/84,817.78 = 41,311.78/x
  3. Step 3: Cross multiply
    61,443.20x = 84,817.78 × 41,311.78
  4. Step 4: Simplify right side
    61,443.20x = 3,503,973,467.45
  5. Step 5: Solve for x
    x = 3,503,973,467.45/61,443.20
  6. Step 6: Final answer
    x = 57,027.85

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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.