Home / 61,234.24-91,844.88-19,678

Finding the Fourth Proportional to 61,234.24, 91,844.88 and 19,678

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Solution

The fourth proportional to 61,234.24, 91,844.88 and 19,678 is: 29,514.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,234.24 : 91,844.88 = 19,678 : x
  2. Step 2: Convert to fraction form
    61,234.24/91,844.88 = 19,678/x
  3. Step 3: Cross multiply
    61,234.24x = 91,844.88 × 19,678
  4. Step 4: Simplify right side
    61,234.24x = 1,807,323,548.64
  5. Step 5: Solve for x
    x = 1,807,323,548.64/61,234.24
  6. Step 6: Final answer
    x = 29,514.92

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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.