Home / 37,879.22-52,274.94-21,112.22

Finding the Fourth Proportional to 37,879.22, 52,274.94 and 21,112.22

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Solution

The fourth proportional to 37,879.22, 52,274.94 and 21,112.22 is: 29,135.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,879.22 : 52,274.94 = 21,112.22 : x
  2. Step 2: Convert to fraction form
    37,879.22/52,274.94 = 21,112.22/x
  3. Step 3: Cross multiply
    37,879.22x = 52,274.94 × 21,112.22
  4. Step 4: Simplify right side
    37,879.22x = 1,103,640,008.01
  5. Step 5: Solve for x
    x = 1,103,640,008.01/37,879.22
  6. Step 6: Final answer
    x = 29,135.76

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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.