Home / 50,697.78-76,057.38-19,107.17

Finding the Fourth Proportional to 50,697.78, 76,057.38 and 19,107.17

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Solution

The fourth proportional to 50,697.78, 76,057.38 and 19,107.17 is: 28,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,697.78 : 76,057.38 = 19,107.17 : x
  2. Step 2: Convert to fraction form
    50,697.78/76,057.38 = 19,107.17/x
  3. Step 3: Cross multiply
    50,697.78x = 76,057.38 × 19,107.17
  4. Step 4: Simplify right side
    50,697.78x = 1,453,241,193.88
  5. Step 5: Solve for x
    x = 1,453,241,193.88/50,697.78
  6. Step 6: Final answer
    x = 28,664.79

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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.