Home / 39,981.71-55,174.97-22,076.75

Finding the Fourth Proportional to 39,981.71, 55,174.97 and 22,076.75

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Solution

The fourth proportional to 39,981.71, 55,174.97 and 22,076.75 is: 30,466.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,981.71 : 55,174.97 = 22,076.75 : x
  2. Step 2: Convert to fraction form
    39,981.71/55,174.97 = 22,076.75/x
  3. Step 3: Cross multiply
    39,981.71x = 55,174.97 × 22,076.75
  4. Step 4: Simplify right side
    39,981.71x = 1,218,083,632.69
  5. Step 5: Solve for x
    x = 1,218,083,632.69/39,981.71
  6. Step 6: Final answer
    x = 30,466.03

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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.