Home / 67,037.31-100,577.82-31,972.41

Finding the Fourth Proportional to 67,037.31, 100,577.82 and 31,972.41

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Solution

The fourth proportional to 67,037.31, 100,577.82 and 31,972.41 is: 47,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,037.31 : 100,577.82 = 31,972.41 : x
  2. Step 2: Convert to fraction form
    67,037.31/100,577.82 = 31,972.41/x
  3. Step 3: Cross multiply
    67,037.31x = 100,577.82 × 31,972.41
  4. Step 4: Simplify right side
    67,037.31x = 3,215,715,297.95
  5. Step 5: Solve for x
    x = 3,215,715,297.95/67,037.31
  6. Step 6: Final answer
    x = 47,969.04

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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.