Home / 51,208.91-76,760.58-19,610.35

Finding the Fourth Proportional to 51,208.91, 76,760.58 and 19,610.35

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Solution

The fourth proportional to 51,208.91, 76,760.58 and 19,610.35 is: 29,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,208.91 : 76,760.58 = 19,610.35 : x
  2. Step 2: Convert to fraction form
    51,208.91/76,760.58 = 19,610.35/x
  3. Step 3: Cross multiply
    51,208.91x = 76,760.58 × 19,610.35
  4. Step 4: Simplify right side
    51,208.91x = 1,505,301,456.20
  5. Step 5: Solve for x
    x = 1,505,301,456.20/51,208.91
  6. Step 6: Final answer
    x = 29,395.30

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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.