Home / 35,906.37-49,551.66-19,991.90

Finding the Fourth Proportional to 35,906.37, 49,551.66 and 19,991.90

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Solution

The fourth proportional to 35,906.37, 49,551.66 and 19,991.90 is: 27,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,906.37 : 49,551.66 = 19,991.90 : x
  2. Step 2: Convert to fraction form
    35,906.37/49,551.66 = 19,991.90/x
  3. Step 3: Cross multiply
    35,906.37x = 49,551.66 × 19,991.90
  4. Step 4: Simplify right side
    35,906.37x = 990,631,583.80
  5. Step 5: Solve for x
    x = 990,631,583.80/35,906.37
  6. Step 6: Final answer
    x = 27,589.30

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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.