Home / 33,209.74-45,831.72-20,294.56

Finding the Fourth Proportional to 33,209.74, 45,831.72 and 20,294.56

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Solution

The fourth proportional to 33,209.74, 45,831.72 and 20,294.56 is: 28,007.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,209.74 : 45,831.72 = 20,294.56 : x
  2. Step 2: Convert to fraction form
    33,209.74/45,831.72 = 20,294.56/x
  3. Step 3: Cross multiply
    33,209.74x = 45,831.72 × 20,294.56
  4. Step 4: Simplify right side
    33,209.74x = 930,134,591.44
  5. Step 5: Solve for x
    x = 930,134,591.44/33,209.74
  6. Step 6: Final answer
    x = 28,007.89

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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.