Home / 39,918.36-55,086.57-22,015.02

Finding the Fourth Proportional to 39,918.36, 55,086.57 and 22,015.02

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Solution

The fourth proportional to 39,918.36, 55,086.57 and 22,015.02 is: 30,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,918.36 : 55,086.57 = 22,015.02 : x
  2. Step 2: Convert to fraction form
    39,918.36/55,086.57 = 22,015.02/x
  3. Step 3: Cross multiply
    39,918.36x = 55,086.57 × 22,015.02
  4. Step 4: Simplify right side
    39,918.36x = 1,212,731,940.28
  5. Step 5: Solve for x
    x = 1,212,731,940.28/39,918.36
  6. Step 6: Final answer
    x = 30,380.30

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