Home / 39,356.36-54,310.50-22,361.96

Finding the Fourth Proportional to 39,356.36, 54,310.50 and 22,361.96

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Solution

The fourth proportional to 39,356.36, 54,310.50 and 22,361.96 is: 30,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,356.36 : 54,310.50 = 22,361.96 : x
  2. Step 2: Convert to fraction form
    39,356.36/54,310.50 = 22,361.96/x
  3. Step 3: Cross multiply
    39,356.36x = 54,310.50 × 22,361.96
  4. Step 4: Simplify right side
    39,356.36x = 1,214,489,228.58
  5. Step 5: Solve for x
    x = 1,214,489,228.58/39,356.36
  6. Step 6: Final answer
    x = 30,858.78

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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.