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Finding the Fourth Proportional to 33,110.16, 49,700.60 and 13,401.60

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Solution

The fourth proportional to 33,110.16, 49,700.60 and 13,401.60 is: 20,116.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,110.16 : 49,700.60 = 13,401.60 : x
  2. Step 2: Convert to fraction form
    33,110.16/49,700.60 = 13,401.60/x
  3. Step 3: Cross multiply
    33,110.16x = 49,700.60 × 13,401.60
  4. Step 4: Simplify right side
    33,110.16x = 666,067,560.96
  5. Step 5: Solve for x
    x = 666,067,560.96/33,110.16
  6. Step 6: Final answer
    x = 20,116.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.