Home / 50,800.30-76,217.74-19,219.43

Finding the Fourth Proportional to 50,800.30, 76,217.74 and 19,219.43

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Solution

The fourth proportional to 50,800.30, 76,217.74 and 19,219.43 is: 28,835.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,800.30 : 76,217.74 = 19,219.43 : x
  2. Step 2: Convert to fraction form
    50,800.30/76,217.74 = 19,219.43/x
  3. Step 3: Cross multiply
    50,800.30x = 76,217.74 × 19,219.43
  4. Step 4: Simplify right side
    50,800.30x = 1,464,861,661.18
  5. Step 5: Solve for x
    x = 1,464,861,661.18/50,800.30
  6. Step 6: Final answer
    x = 28,835.69

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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.