Home / 36,190.32-49,943.52-20,278.20

Finding the Fourth Proportional to 36,190.32, 49,943.52 and 20,278.20

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Solution

The fourth proportional to 36,190.32, 49,943.52 and 20,278.20 is: 27,984.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,190.32 : 49,943.52 = 20,278.20 : x
  2. Step 2: Convert to fraction form
    36,190.32/49,943.52 = 20,278.20/x
  3. Step 3: Cross multiply
    36,190.32x = 49,943.52 × 20,278.20
  4. Step 4: Simplify right side
    36,190.32x = 1,012,764,687.26
  5. Step 5: Solve for x
    x = 1,012,764,687.26/36,190.32
  6. Step 6: Final answer
    x = 27,984.41

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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.