Home / 39,908.75-55,076.56-22,003.73

Finding the Fourth Proportional to 39,908.75, 55,076.56 and 22,003.73

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Solution

The fourth proportional to 39,908.75, 55,076.56 and 22,003.73 is: 30,366.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,908.75 : 55,076.56 = 22,003.73 : x
  2. Step 2: Convert to fraction form
    39,908.75/55,076.56 = 22,003.73/x
  3. Step 3: Cross multiply
    39,908.75x = 55,076.56 × 22,003.73
  4. Step 4: Simplify right side
    39,908.75x = 1,211,889,476.81
  5. Step 5: Solve for x
    x = 1,211,889,476.81/39,908.75
  6. Step 6: Final answer
    x = 30,366.51

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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.