Home / 39,922.54-55,090.54-22,017.66

Finding the Fourth Proportional to 39,922.54, 55,090.54 and 22,017.66

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Solution

The fourth proportional to 39,922.54, 55,090.54 and 22,017.66 is: 30,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,922.54 : 55,090.54 = 22,017.66 : x
  2. Step 2: Convert to fraction form
    39,922.54/55,090.54 = 22,017.66/x
  3. Step 3: Cross multiply
    39,922.54x = 55,090.54 × 22,017.66
  4. Step 4: Simplify right side
    39,922.54x = 1,212,964,778.94
  5. Step 5: Solve for x
    x = 1,212,964,778.94/39,922.54
  6. Step 6: Final answer
    x = 30,382.96

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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.