Home / 39,917.54-55,084.94-22,013.30

Finding the Fourth Proportional to 39,917.54, 55,084.94 and 22,013.30

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Solution

The fourth proportional to 39,917.54, 55,084.94 and 22,013.30 is: 30,377.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,917.54 : 55,084.94 = 22,013.30 : x
  2. Step 2: Convert to fraction form
    39,917.54/55,084.94 = 22,013.30/x
  3. Step 3: Cross multiply
    39,917.54x = 55,084.94 × 22,013.30
  4. Step 4: Simplify right side
    39,917.54x = 1,212,601,309.70
  5. Step 5: Solve for x
    x = 1,212,601,309.70/39,917.54
  6. Step 6: Final answer
    x = 30,377.66

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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.