Home / 39,945.71-55,125.27-22,040.73

Finding the Fourth Proportional to 39,945.71, 55,125.27 and 22,040.73

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Solution

The fourth proportional to 39,945.71, 55,125.27 and 22,040.73 is: 30,416.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,945.71 : 55,125.27 = 22,040.73 : x
  2. Step 2: Convert to fraction form
    39,945.71/55,125.27 = 22,040.73/x
  3. Step 3: Cross multiply
    39,945.71x = 55,125.27 × 22,040.73
  4. Step 4: Simplify right side
    39,945.71x = 1,215,001,192.25
  5. Step 5: Solve for x
    x = 1,215,001,192.25/39,945.71
  6. Step 6: Final answer
    x = 30,416.32

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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.