Home / 45,035.78-67,553.68-11,755.56

Finding the Fourth Proportional to 45,035.78, 67,553.68 and 11,755.56

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Solution

The fourth proportional to 45,035.78, 67,553.68 and 11,755.56 is: 17,633.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,035.78 : 67,553.68 = 11,755.56 : x
  2. Step 2: Convert to fraction form
    45,035.78/67,553.68 = 11,755.56/x
  3. Step 3: Cross multiply
    45,035.78x = 67,553.68 × 11,755.56
  4. Step 4: Simplify right side
    45,035.78x = 794,131,309.07
  5. Step 5: Solve for x
    x = 794,131,309.07/45,035.78
  6. Step 6: Final answer
    x = 17,633.34

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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.