Home / 29,578.36-40,808.34-19,511.80

Finding the Fourth Proportional to 29,578.36, 40,808.34 and 19,511.80

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Solution

The fourth proportional to 29,578.36, 40,808.34 and 19,511.80 is: 26,919.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,578.36 : 40,808.34 = 19,511.80 : x
  2. Step 2: Convert to fraction form
    29,578.36/40,808.34 = 19,511.80/x
  3. Step 3: Cross multiply
    29,578.36x = 40,808.34 × 19,511.80
  4. Step 4: Simplify right side
    29,578.36x = 796,244,168.41
  5. Step 5: Solve for x
    x = 796,244,168.41/29,578.36
  6. Step 6: Final answer
    x = 26,919.82

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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.