Home / 54,367.20-81,495.72-36,838.80

Finding the Fourth Proportional to 54,367.20, 81,495.72 and 36,838.80

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Solution

The fourth proportional to 54,367.20, 81,495.72 and 36,838.80 is: 55,220.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,367.20 : 81,495.72 = 36,838.80 : x
  2. Step 2: Convert to fraction form
    54,367.20/81,495.72 = 36,838.80/x
  3. Step 3: Cross multiply
    54,367.20x = 81,495.72 × 36,838.80
  4. Step 4: Simplify right side
    54,367.20x = 3,002,204,529.94
  5. Step 5: Solve for x
    x = 3,002,204,529.94/54,367.20
  6. Step 6: Final answer
    x = 55,220.88

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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.