Home / 39,850.07-54,991.17-21,945.83

Finding the Fourth Proportional to 39,850.07, 54,991.17 and 21,945.83

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Solution

The fourth proportional to 39,850.07, 54,991.17 and 21,945.83 is: 30,284.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,850.07 : 54,991.17 = 21,945.83 : x
  2. Step 2: Convert to fraction form
    39,850.07/54,991.17 = 21,945.83/x
  3. Step 3: Cross multiply
    39,850.07x = 54,991.17 × 21,945.83
  4. Step 4: Simplify right side
    39,850.07x = 1,206,826,593.37
  5. Step 5: Solve for x
    x = 1,206,826,593.37/39,850.07
  6. Step 6: Final answer
    x = 30,284.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.