Home / 57,209.45-85,793.11-19,759.91

Finding the Fourth Proportional to 57,209.45, 85,793.11 and 19,759.91

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Solution

The fourth proportional to 57,209.45, 85,793.11 and 19,759.91 is: 29,632.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,209.45 : 85,793.11 = 19,759.91 : x
  2. Step 2: Convert to fraction form
    57,209.45/85,793.11 = 19,759.91/x
  3. Step 3: Cross multiply
    57,209.45x = 85,793.11 × 19,759.91
  4. Step 4: Simplify right side
    57,209.45x = 1,695,263,653.85
  5. Step 5: Solve for x
    x = 1,695,263,653.85/57,209.45
  6. Step 6: Final answer
    x = 29,632.58

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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.