Home / 39,906.60-59,831.10-22,381.80

Finding the Fourth Proportional to 39,906.60, 59,831.10 and 22,381.80

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Solution

The fourth proportional to 39,906.60, 59,831.10 and 22,381.80 is: 33,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,906.60 : 59,831.10 = 22,381.80 : x
  2. Step 2: Convert to fraction form
    39,906.60/59,831.10 = 22,381.80/x
  3. Step 3: Cross multiply
    39,906.60x = 59,831.10 × 22,381.80
  4. Step 4: Simplify right side
    39,906.60x = 1,339,127,713.98
  5. Step 5: Solve for x
    x = 1,339,127,713.98/39,906.60
  6. Step 6: Final answer
    x = 33,556.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.