Home / 50,273.20-75,378.84-16,990.12

Finding the Fourth Proportional to 50,273.20, 75,378.84 and 16,990.12

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Solution

The fourth proportional to 50,273.20, 75,378.84 and 16,990.12 is: 25,474.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,273.20 : 75,378.84 = 16,990.12 : x
  2. Step 2: Convert to fraction form
    50,273.20/75,378.84 = 16,990.12/x
  3. Step 3: Cross multiply
    50,273.20x = 75,378.84 × 16,990.12
  4. Step 4: Simplify right side
    50,273.20x = 1,280,695,537.06
  5. Step 5: Solve for x
    x = 1,280,695,537.06/50,273.20
  6. Step 6: Final answer
    x = 25,474.72

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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.