Home / 57,074.67-85,624.97-30,778.83

Finding the Fourth Proportional to 57,074.67, 85,624.97 and 30,778.83

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Solution

The fourth proportional to 57,074.67, 85,624.97 and 30,778.83 is: 46,175.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,074.67 : 85,624.97 = 30,778.83 : x
  2. Step 2: Convert to fraction form
    57,074.67/85,624.97 = 30,778.83/x
  3. Step 3: Cross multiply
    57,074.67x = 85,624.97 × 30,778.83
  4. Step 4: Simplify right side
    57,074.67x = 2,635,436,241.49
  5. Step 5: Solve for x
    x = 2,635,436,241.49/57,074.67
  6. Step 6: Final answer
    x = 46,175.23

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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.