Home / 37,149.57-55,724.16-9,069.78

Finding the Fourth Proportional to 37,149.57, 55,724.16 and 9,069.78

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Solution

The fourth proportional to 37,149.57, 55,724.16 and 9,069.78 is: 13,604.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,149.57 : 55,724.16 = 9,069.78 : x
  2. Step 2: Convert to fraction form
    37,149.57/55,724.16 = 9,069.78/x
  3. Step 3: Cross multiply
    37,149.57x = 55,724.16 × 9,069.78
  4. Step 4: Simplify right side
    37,149.57x = 505,405,871.88
  5. Step 5: Solve for x
    x = 505,405,871.88/37,149.57
  6. Step 6: Final answer
    x = 13,604.62

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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.