Home / 33,198.12-45,812.84-18,090.96

Finding the Fourth Proportional to 33,198.12, 45,812.84 and 18,090.96

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Solution

The fourth proportional to 33,198.12, 45,812.84 and 18,090.96 is: 24,965.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,198.12 : 45,812.84 = 18,090.96 : x
  2. Step 2: Convert to fraction form
    33,198.12/45,812.84 = 18,090.96/x
  3. Step 3: Cross multiply
    33,198.12x = 45,812.84 × 18,090.96
  4. Step 4: Simplify right side
    33,198.12x = 828,798,255.93
  5. Step 5: Solve for x
    x = 828,798,255.93/33,198.12
  6. Step 6: Final answer
    x = 24,965.22

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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.