Home / 50,800.08-76,163.20-21,226.38

Finding the Fourth Proportional to 50,800.08, 76,163.20 and 21,226.38

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Solution

The fourth proportional to 50,800.08, 76,163.20 and 21,226.38 is: 31,824.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,800.08 : 76,163.20 = 21,226.38 : x
  2. Step 2: Convert to fraction form
    50,800.08/76,163.20 = 21,226.38/x
  3. Step 3: Cross multiply
    50,800.08x = 76,163.20 × 21,226.38
  4. Step 4: Simplify right side
    50,800.08x = 1,616,669,025.22
  5. Step 5: Solve for x
    x = 1,616,669,025.22/50,800.08
  6. Step 6: Final answer
    x = 31,824.14

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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.