Home / 36,401.78-50,230.59-20,485.97

Finding the Fourth Proportional to 36,401.78, 50,230.59 and 20,485.97

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Solution

The fourth proportional to 36,401.78, 50,230.59 and 20,485.97 is: 28,268.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,401.78 : 50,230.59 = 20,485.97 : x
  2. Step 2: Convert to fraction form
    36,401.78/50,230.59 = 20,485.97/x
  3. Step 3: Cross multiply
    36,401.78x = 50,230.59 × 20,485.97
  4. Step 4: Simplify right side
    36,401.78x = 1,029,022,359.82
  5. Step 5: Solve for x
    x = 1,029,022,359.82/36,401.78
  6. Step 6: Final answer
    x = 28,268.46

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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.