Home / 39,677.37-54,755.99-21,773.54

Finding the Fourth Proportional to 39,677.37, 54,755.99 and 21,773.54

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Solution

The fourth proportional to 39,677.37, 54,755.99 and 21,773.54 is: 30,048.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,677.37 : 54,755.99 = 21,773.54 : x
  2. Step 2: Convert to fraction form
    39,677.37/54,755.99 = 21,773.54/x
  3. Step 3: Cross multiply
    39,677.37x = 54,755.99 × 21,773.54
  4. Step 4: Simplify right side
    39,677.37x = 1,192,231,355.86
  5. Step 5: Solve for x
    x = 1,192,231,355.86/39,677.37
  6. Step 6: Final answer
    x = 30,048.14

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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.