Home / 36,821.07-55,180.11-19,917.58

Finding the Fourth Proportional to 36,821.07, 55,180.11 and 19,917.58

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Solution

The fourth proportional to 36,821.07, 55,180.11 and 19,917.58 is: 29,848.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,821.07 : 55,180.11 = 19,917.58 : x
  2. Step 2: Convert to fraction form
    36,821.07/55,180.11 = 19,917.58/x
  3. Step 3: Cross multiply
    36,821.07x = 55,180.11 × 19,917.58
  4. Step 4: Simplify right side
    36,821.07x = 1,099,054,255.33
  5. Step 5: Solve for x
    x = 1,099,054,255.33/36,821.07
  6. Step 6: Final answer
    x = 29,848.52

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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.