Home / 51,019.46-76,529.97-19,431.27

Finding the Fourth Proportional to 51,019.46, 76,529.97 and 19,431.27

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Solution

The fourth proportional to 51,019.46, 76,529.97 and 19,431.27 is: 29,147.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,019.46 : 76,529.97 = 19,431.27 : x
  2. Step 2: Convert to fraction form
    51,019.46/76,529.97 = 19,431.27/x
  3. Step 3: Cross multiply
    51,019.46x = 76,529.97 × 19,431.27
  4. Step 4: Simplify right side
    51,019.46x = 1,487,074,724.28
  5. Step 5: Solve for x
    x = 1,487,074,724.28/51,019.46
  6. Step 6: Final answer
    x = 29,147.21

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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.