Home / 39,187.15-54,084.38-22,192.27

Finding the Fourth Proportional to 39,187.15, 54,084.38 and 22,192.27

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Solution

The fourth proportional to 39,187.15, 54,084.38 and 22,192.27 is: 30,628.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,187.15 : 54,084.38 = 22,192.27 : x
  2. Step 2: Convert to fraction form
    39,187.15/54,084.38 = 22,192.27/x
  3. Step 3: Cross multiply
    39,187.15x = 54,084.38 × 22,192.27
  4. Step 4: Simplify right side
    39,187.15x = 1,200,255,163.74
  5. Step 5: Solve for x
    x = 1,200,255,163.74/39,187.15
  6. Step 6: Final answer
    x = 30,628.79

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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.