Home / 29,072.72-43,551.88-19,181.80

Finding the Fourth Proportional to 29,072.72, 43,551.88 and 19,181.80

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Solution

The fourth proportional to 29,072.72, 43,551.88 and 19,181.80 is: 28,734.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,072.72 : 43,551.88 = 19,181.80 : x
  2. Step 2: Convert to fraction form
    29,072.72/43,551.88 = 19,181.80/x
  3. Step 3: Cross multiply
    29,072.72x = 43,551.88 × 19,181.80
  4. Step 4: Simplify right side
    29,072.72x = 835,403,451.78
  5. Step 5: Solve for x
    x = 835,403,451.78/29,072.72
  6. Step 6: Final answer
    x = 28,734.96

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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.