Home / 36,026.87-49,716.25-20,112.80

Finding the Fourth Proportional to 36,026.87, 49,716.25 and 20,112.80

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Solution

The fourth proportional to 36,026.87, 49,716.25 and 20,112.80 is: 27,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,026.87 : 49,716.25 = 20,112.80 : x
  2. Step 2: Convert to fraction form
    36,026.87/49,716.25 = 20,112.80/x
  3. Step 3: Cross multiply
    36,026.87x = 49,716.25 × 20,112.80
  4. Step 4: Simplify right side
    36,026.87x = 999,932,694.14
  5. Step 5: Solve for x
    x = 999,932,694.14/36,026.87
  6. Step 6: Final answer
    x = 27,755.20

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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.