Home / 50,910.50-76,370.23-18,889.94

Finding the Fourth Proportional to 50,910.50, 76,370.23 and 18,889.94

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Solution

The fourth proportional to 50,910.50, 76,370.23 and 18,889.94 is: 28,336.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,910.50 : 76,370.23 = 18,889.94 : x
  2. Step 2: Convert to fraction form
    50,910.50/76,370.23 = 18,889.94/x
  3. Step 3: Cross multiply
    50,910.50x = 76,370.23 × 18,889.94
  4. Step 4: Simplify right side
    50,910.50x = 1,442,629,062.49
  5. Step 5: Solve for x
    x = 1,442,629,062.49/50,910.50
  6. Step 6: Final answer
    x = 28,336.57

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1.5x scale

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.