Home / 51,209.15-76,760.96-19,610.60

Finding the Fourth Proportional to 51,209.15, 76,760.96 and 19,610.60

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Solution

The fourth proportional to 51,209.15, 76,760.96 and 19,610.60 is: 29,395.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,209.15 : 76,760.96 = 19,610.60 : x
  2. Step 2: Convert to fraction form
    51,209.15/76,760.96 = 19,610.60/x
  3. Step 3: Cross multiply
    51,209.15x = 76,760.96 × 19,610.60
  4. Step 4: Simplify right side
    51,209.15x = 1,505,328,000.32
  5. Step 5: Solve for x
    x = 1,505,328,000.32/51,209.15
  6. Step 6: Final answer
    x = 29,395.69

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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.