Home / 33,181.21-45,789.15-18,840.16

Finding the Fourth Proportional to 33,181.21, 45,789.15 and 18,840.16

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Solution

The fourth proportional to 33,181.21, 45,789.15 and 18,840.16 is: 25,998.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,181.21 : 45,789.15 = 18,840.16 : x
  2. Step 2: Convert to fraction form
    33,181.21/45,789.15 = 18,840.16/x
  3. Step 3: Cross multiply
    33,181.21x = 45,789.15 × 18,840.16
  4. Step 4: Simplify right side
    33,181.21x = 862,674,912.26
  5. Step 5: Solve for x
    x = 862,674,912.26/33,181.21
  6. Step 6: Final answer
    x = 25,998.90

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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.