Home / 61,745.12-92,632.32-20,192

Finding the Fourth Proportional to 61,745.12, 92,632.32 and 20,192

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Solution

The fourth proportional to 61,745.12, 92,632.32 and 20,192 is: 30,292.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,745.12 : 92,632.32 = 20,192 : x
  2. Step 2: Convert to fraction form
    61,745.12/92,632.32 = 20,192/x
  3. Step 3: Cross multiply
    61,745.12x = 92,632.32 × 20,192
  4. Step 4: Simplify right side
    61,745.12x = 1,870,431,805.44
  5. Step 5: Solve for x
    x = 1,870,431,805.44/61,745.12
  6. Step 6: Final answer
    x = 30,292.79

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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.