Home / 55,512.81-83,270.25-18,072.75

Finding the Fourth Proportional to 55,512.81, 83,270.25 and 18,072.75

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Solution

The fourth proportional to 55,512.81, 83,270.25 and 18,072.75 is: 27,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,512.81 : 83,270.25 = 18,072.75 : x
  2. Step 2: Convert to fraction form
    55,512.81/83,270.25 = 18,072.75/x
  3. Step 3: Cross multiply
    55,512.81x = 83,270.25 × 18,072.75
  4. Step 4: Simplify right side
    55,512.81x = 1,504,922,410.69
  5. Step 5: Solve for x
    x = 1,504,922,410.69/55,512.81
  6. Step 6: Final answer
    x = 27,109.46

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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.