Home / 69,429.20-104,127.53-19,514.07

Finding the Fourth Proportional to 69,429.20, 104,127.53 and 19,514.07

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Solution

The fourth proportional to 69,429.20, 104,127.53 and 19,514.07 is: 29,266.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,429.20 : 104,127.53 = 19,514.07 : x
  2. Step 2: Convert to fraction form
    69,429.20/104,127.53 = 19,514.07/x
  3. Step 3: Cross multiply
    69,429.20x = 104,127.53 × 19,514.07
  4. Step 4: Simplify right side
    69,429.20x = 2,031,951,811.78
  5. Step 5: Solve for x
    x = 2,031,951,811.78/69,429.20
  6. Step 6: Final answer
    x = 29,266.53

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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.