Home / 74,759.46-112,160.84-22,170.21

Finding the Fourth Proportional to 74,759.46, 112,160.84 and 22,170.21

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Solution

The fourth proportional to 74,759.46, 112,160.84 and 22,170.21 is: 33,261.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,759.46 : 112,160.84 = 22,170.21 : x
  2. Step 2: Convert to fraction form
    74,759.46/112,160.84 = 22,170.21/x
  3. Step 3: Cross multiply
    74,759.46x = 112,160.84 × 22,170.21
  4. Step 4: Simplify right side
    74,759.46x = 2,486,629,265.73
  5. Step 5: Solve for x
    x = 2,486,629,265.73/74,759.46
  6. Step 6: Final answer
    x = 33,261.73

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1.5x scale

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.