Home / 55,408.26-83,112.54-22,131.03

Finding the Fourth Proportional to 55,408.26, 83,112.54 and 22,131.03

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Solution

The fourth proportional to 55,408.26, 83,112.54 and 22,131.03 is: 33,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,408.26 : 83,112.54 = 22,131.03 : x
  2. Step 2: Convert to fraction form
    55,408.26/83,112.54 = 22,131.03/x
  3. Step 3: Cross multiply
    55,408.26x = 83,112.54 × 22,131.03
  4. Step 4: Simplify right side
    55,408.26x = 1,839,366,116.12
  5. Step 5: Solve for x
    x = 1,839,366,116.12/55,408.26
  6. Step 6: Final answer
    x = 33,196.60

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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.