Home / 49,115.37-67,767.39-28,685.85

Finding the Fourth Proportional to 49,115.37, 67,767.39 and 28,685.85

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Solution

The fourth proportional to 49,115.37, 67,767.39 and 28,685.85 is: 39,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,115.37 : 67,767.39 = 28,685.85 : x
  2. Step 2: Convert to fraction form
    49,115.37/67,767.39 = 28,685.85/x
  3. Step 3: Cross multiply
    49,115.37x = 67,767.39 × 28,685.85
  4. Step 4: Simplify right side
    49,115.37x = 1,943,965,184.43
  5. Step 5: Solve for x
    x = 1,943,965,184.43/49,115.37
  6. Step 6: Final answer
    x = 39,579.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.