Home / 33,265.70-49,831.35-20,747.30

Finding the Fourth Proportional to 33,265.70, 49,831.35 and 20,747.30

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Solution

The fourth proportional to 33,265.70, 49,831.35 and 20,747.30 is: 31,079.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,265.70 : 49,831.35 = 20,747.30 : x
  2. Step 2: Convert to fraction form
    33,265.70/49,831.35 = 20,747.30/x
  3. Step 3: Cross multiply
    33,265.70x = 49,831.35 × 20,747.30
  4. Step 4: Simplify right side
    33,265.70x = 1,033,865,967.86
  5. Step 5: Solve for x
    x = 1,033,865,967.86/33,265.70
  6. Step 6: Final answer
    x = 31,079.04

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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.