Home / 49,029.35-73,479.41-19,431.05

Finding the Fourth Proportional to 49,029.35, 73,479.41 and 19,431.05

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Solution

The fourth proportional to 49,029.35, 73,479.41 and 19,431.05 is: 29,120.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,029.35 : 73,479.41 = 19,431.05 : x
  2. Step 2: Convert to fraction form
    49,029.35/73,479.41 = 19,431.05/x
  3. Step 3: Cross multiply
    49,029.35x = 73,479.41 × 19,431.05
  4. Step 4: Simplify right side
    49,029.35x = 1,427,781,625.13
  5. Step 5: Solve for x
    x = 1,427,781,625.13/49,029.35
  6. Step 6: Final answer
    x = 29,120.96

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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.