Home / 45,843.48-68,773.86-18,143.64

Finding the Fourth Proportional to 45,843.48, 68,773.86 and 18,143.64

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Solution

The fourth proportional to 45,843.48, 68,773.86 and 18,143.64 is: 27,218.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,843.48 : 68,773.86 = 18,143.64 : x
  2. Step 2: Convert to fraction form
    45,843.48/68,773.86 = 18,143.64/x
  3. Step 3: Cross multiply
    45,843.48x = 68,773.86 × 18,143.64
  4. Step 4: Simplify right side
    45,843.48x = 1,247,808,157.25
  5. Step 5: Solve for x
    x = 1,247,808,157.25/45,843.48
  6. Step 6: Final answer
    x = 27,218.88

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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.