Home / 44,112.76-66,180-21,936.64

Finding the Fourth Proportional to 44,112.76, 66,180 and 21,936.64

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Solution

The fourth proportional to 44,112.76, 66,180 and 21,936.64 is: 32,910.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,112.76 : 66,180 = 21,936.64 : x
  2. Step 2: Convert to fraction form
    44,112.76/66,180 = 21,936.64/x
  3. Step 3: Cross multiply
    44,112.76x = 66,180 × 21,936.64
  4. Step 4: Simplify right side
    44,112.76x = 1,451,766,835.20
  5. Step 5: Solve for x
    x = 1,451,766,835.20/44,112.76
  6. Step 6: Final answer
    x = 32,910.36

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1.5x scale

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.