Home / 36,947.68-50,986.32-20,181.28

Finding the Fourth Proportional to 36,947.68, 50,986.32 and 20,181.28

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Solution

The fourth proportional to 36,947.68, 50,986.32 and 20,181.28 is: 27,849.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,947.68 : 50,986.32 = 20,181.28 : x
  2. Step 2: Convert to fraction form
    36,947.68/50,986.32 = 20,181.28/x
  3. Step 3: Cross multiply
    36,947.68x = 50,986.32 × 20,181.28
  4. Step 4: Simplify right side
    36,947.68x = 1,028,969,200.09
  5. Step 5: Solve for x
    x = 1,028,969,200.09/36,947.68
  6. Step 6: Final answer
    x = 27,849.36

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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.