Home / 45,932.28-68,911.36-18,249.72

Finding the Fourth Proportional to 45,932.28, 68,911.36 and 18,249.72

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Solution

The fourth proportional to 45,932.28, 68,911.36 and 18,249.72 is: 27,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,932.28 : 68,911.36 = 18,249.72 : x
  2. Step 2: Convert to fraction form
    45,932.28/68,911.36 = 18,249.72/x
  3. Step 3: Cross multiply
    45,932.28x = 68,911.36 × 18,249.72
  4. Step 4: Simplify right side
    45,932.28x = 1,257,613,024.82
  5. Step 5: Solve for x
    x = 1,257,613,024.82/45,932.28
  6. Step 6: Final answer
    x = 27,379.72

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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.