Home / 39,940.22-55,116.59-22,035.22

Finding the Fourth Proportional to 39,940.22, 55,116.59 and 22,035.22

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Solution

The fourth proportional to 39,940.22, 55,116.59 and 22,035.22 is: 30,408.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,940.22 : 55,116.59 = 22,035.22 : x
  2. Step 2: Convert to fraction form
    39,940.22/55,116.59 = 22,035.22/x
  3. Step 3: Cross multiply
    39,940.22x = 55,116.59 × 22,035.22
  4. Step 4: Simplify right side
    39,940.22x = 1,214,505,938.33
  5. Step 5: Solve for x
    x = 1,214,505,938.33/39,940.22
  6. Step 6: Final answer
    x = 30,408.09

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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.