Home / 45,020.96-67,488.16-30,234

Finding the Fourth Proportional to 45,020.96, 67,488.16 and 30,234

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Solution

The fourth proportional to 45,020.96, 67,488.16 and 30,234 is: 45,321.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,020.96 : 67,488.16 = 30,234 : x
  2. Step 2: Convert to fraction form
    45,020.96/67,488.16 = 30,234/x
  3. Step 3: Cross multiply
    45,020.96x = 67,488.16 × 30,234
  4. Step 4: Simplify right side
    45,020.96x = 2,040,437,029.44
  5. Step 5: Solve for x
    x = 2,040,437,029.44/45,020.96
  6. Step 6: Final answer
    x = 45,321.94

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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.