Home / 47,694.75-65,824.83-28,831.88

Finding the Fourth Proportional to 47,694.75, 65,824.83 and 28,831.88

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Solution

The fourth proportional to 47,694.75, 65,824.83 and 28,831.88 is: 39,791.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,694.75 : 65,824.83 = 28,831.88 : x
  2. Step 2: Convert to fraction form
    47,694.75/65,824.83 = 28,831.88/x
  3. Step 3: Cross multiply
    47,694.75x = 65,824.83 × 28,831.88
  4. Step 4: Simplify right side
    47,694.75x = 1,897,853,270.46
  5. Step 5: Solve for x
    x = 1,897,853,270.46/47,694.75
  6. Step 6: Final answer
    x = 39,791.66

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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.