Home / 39,961.67-55,144.75-22,056.22

Finding the Fourth Proportional to 39,961.67, 55,144.75 and 22,056.22

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Solution

The fourth proportional to 39,961.67, 55,144.75 and 22,056.22 is: 30,436.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,961.67 : 55,144.75 = 22,056.22 : x
  2. Step 2: Convert to fraction form
    39,961.67/55,144.75 = 22,056.22/x
  3. Step 3: Cross multiply
    39,961.67x = 55,144.75 × 22,056.22
  4. Step 4: Simplify right side
    39,961.67x = 1,216,284,351.84
  5. Step 5: Solve for x
    x = 1,216,284,351.84/39,961.67
  6. Step 6: Final answer
    x = 30,436.27

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1.5x scale

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.