Home / 29,343.85-40,467.23-19,636.09

Finding the Fourth Proportional to 29,343.85, 40,467.23 and 19,636.09

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Solution

The fourth proportional to 29,343.85, 40,467.23 and 19,636.09 is: 27,079.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,343.85 : 40,467.23 = 19,636.09 : x
  2. Step 2: Convert to fraction form
    29,343.85/40,467.23 = 19,636.09/x
  3. Step 3: Cross multiply
    29,343.85x = 40,467.23 × 19,636.09
  4. Step 4: Simplify right side
    29,343.85x = 794,618,072.15
  5. Step 5: Solve for x
    x = 794,618,072.15/29,343.85
  6. Step 6: Final answer
    x = 27,079.54

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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.