Home / 51,919.10-77,882.46-18,639.46

Finding the Fourth Proportional to 51,919.10, 77,882.46 and 18,639.46

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Solution

The fourth proportional to 51,919.10, 77,882.46 and 18,639.46 is: 27,960.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,919.10 : 77,882.46 = 18,639.46 : x
  2. Step 2: Convert to fraction form
    51,919.10/77,882.46 = 18,639.46/x
  3. Step 3: Cross multiply
    51,919.10x = 77,882.46 × 18,639.46
  4. Step 4: Simplify right side
    51,919.10x = 1,451,686,997.87
  5. Step 5: Solve for x
    x = 1,451,686,997.87/51,919.10
  6. Step 6: Final answer
    x = 27,960.56

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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.