Home / 66,514.82-99,769.77-19,766.48

Finding the Fourth Proportional to 66,514.82, 99,769.77 and 19,766.48

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Solution

The fourth proportional to 66,514.82, 99,769.77 and 19,766.48 is: 29,648.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,514.82 : 99,769.77 = 19,766.48 : x
  2. Step 2: Convert to fraction form
    66,514.82/99,769.77 = 19,766.48/x
  3. Step 3: Cross multiply
    66,514.82x = 99,769.77 × 19,766.48
  4. Step 4: Simplify right side
    66,514.82x = 1,972,096,664.46
  5. Step 5: Solve for x
    x = 1,972,096,664.46/66,514.82
  6. Step 6: Final answer
    x = 29,648.98

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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.