Home / 50,940.20-76,410.30-21,350.12

Finding the Fourth Proportional to 50,940.20, 76,410.30 and 21,350.12

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Solution

The fourth proportional to 50,940.20, 76,410.30 and 21,350.12 is: 32,025.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,940.20 : 76,410.30 = 21,350.12 : x
  2. Step 2: Convert to fraction form
    50,940.20/76,410.30 = 21,350.12/x
  3. Step 3: Cross multiply
    50,940.20x = 76,410.30 × 21,350.12
  4. Step 4: Simplify right side
    50,940.20x = 1,631,369,074.24
  5. Step 5: Solve for x
    x = 1,631,369,074.24/50,940.20
  6. Step 6: Final answer
    x = 32,025.18

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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.