Home / 39,908.07-55,073.52-22,003.79

Finding the Fourth Proportional to 39,908.07, 55,073.52 and 22,003.79

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Solution

The fourth proportional to 39,908.07, 55,073.52 and 22,003.79 is: 30,365.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,908.07 : 55,073.52 = 22,003.79 : x
  2. Step 2: Convert to fraction form
    39,908.07/55,073.52 = 22,003.79/x
  3. Step 3: Cross multiply
    39,908.07x = 55,073.52 × 22,003.79
  4. Step 4: Simplify right side
    39,908.07x = 1,211,825,893.27
  5. Step 5: Solve for x
    x = 1,211,825,893.27/39,908.07
  6. Step 6: Final answer
    x = 30,365.43

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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.