Home / 51,161.27-76,738.32-19,134.25

Finding the Fourth Proportional to 51,161.27, 76,738.32 and 19,134.25

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Solution

The fourth proportional to 51,161.27, 76,738.32 and 19,134.25 is: 28,700.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,161.27 : 76,738.32 = 19,134.25 : x
  2. Step 2: Convert to fraction form
    51,161.27/76,738.32 = 19,134.25/x
  3. Step 3: Cross multiply
    51,161.27x = 76,738.32 × 19,134.25
  4. Step 4: Simplify right side
    51,161.27x = 1,468,330,007.61
  5. Step 5: Solve for x
    x = 1,468,330,007.61/51,161.27
  6. Step 6: Final answer
    x = 28,700.03

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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.