Home / 51,212.91-76,766.58-19,614.36

Finding the Fourth Proportional to 51,212.91, 76,766.58 and 19,614.36

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Solution

The fourth proportional to 51,212.91, 76,766.58 and 19,614.36 is: 29,401.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,212.91 : 76,766.58 = 19,614.36 : x
  2. Step 2: Convert to fraction form
    51,212.91/76,766.58 = 19,614.36/x
  3. Step 3: Cross multiply
    51,212.91x = 76,766.58 × 19,614.36
  4. Step 4: Simplify right side
    51,212.91x = 1,505,727,336.09
  5. Step 5: Solve for x
    x = 1,505,727,336.09/51,212.91
  6. Step 6: Final answer
    x = 29,401.32

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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.