Home / 50,723.60-76,069.20-21,134.30

Finding the Fourth Proportional to 50,723.60, 76,069.20 and 21,134.30

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Solution

The fourth proportional to 50,723.60, 76,069.20 and 21,134.30 is: 31,694.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,723.60 : 76,069.20 = 21,134.30 : x
  2. Step 2: Convert to fraction form
    50,723.60/76,069.20 = 21,134.30/x
  3. Step 3: Cross multiply
    50,723.60x = 76,069.20 × 21,134.30
  4. Step 4: Simplify right side
    50,723.60x = 1,607,669,293.56
  5. Step 5: Solve for x
    x = 1,607,669,293.56/50,723.60
  6. Step 6: Final answer
    x = 31,694.70

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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.