Home / 50,911.12-76,337.52-19,709.92

Finding the Fourth Proportional to 50,911.12, 76,337.52 and 19,709.92

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Solution

The fourth proportional to 50,911.12, 76,337.52 and 19,709.92 is: 29,553.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,911.12 : 76,337.52 = 19,709.92 : x
  2. Step 2: Convert to fraction form
    50,911.12/76,337.52 = 19,709.92/x
  3. Step 3: Cross multiply
    50,911.12x = 76,337.52 × 19,709.92
  4. Step 4: Simplify right side
    50,911.12x = 1,504,606,412.20
  5. Step 5: Solve for x
    x = 1,504,606,412.20/50,911.12
  6. Step 6: Final answer
    x = 29,553.59

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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.