Home / 57,074.20-85,611.42-30,791.32

Finding the Fourth Proportional to 57,074.20, 85,611.42 and 30,791.32

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Solution

The fourth proportional to 57,074.20, 85,611.42 and 30,791.32 is: 46,187.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,074.20 : 85,611.42 = 30,791.32 : x
  2. Step 2: Convert to fraction form
    57,074.20/85,611.42 = 30,791.32/x
  3. Step 3: Cross multiply
    57,074.20x = 85,611.42 × 30,791.32
  4. Step 4: Simplify right side
    57,074.20x = 2,636,088,628.87
  5. Step 5: Solve for x
    x = 2,636,088,628.87/57,074.20
  6. Step 6: Final answer
    x = 46,187.04

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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.