Home / 45,499.44-68,249.16-17,778

Finding the Fourth Proportional to 45,499.44, 68,249.16 and 17,778

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Solution

The fourth proportional to 45,499.44, 68,249.16 and 17,778 is: 26,667

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,499.44 : 68,249.16 = 17,778 : x
  2. Step 2: Convert to fraction form
    45,499.44/68,249.16 = 17,778/x
  3. Step 3: Cross multiply
    45,499.44x = 68,249.16 × 17,778
  4. Step 4: Simplify right side
    45,499.44x = 1,213,333,566.48
  5. Step 5: Solve for x
    x = 1,213,333,566.48/45,499.44
  6. Step 6: Final answer
    x = 26,667

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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.