Home / 38,099.88-57,184.90-19,393.28

Finding the Fourth Proportional to 38,099.88, 57,184.90 and 19,393.28

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Solution

The fourth proportional to 38,099.88, 57,184.90 and 19,393.28 is: 29,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,099.88 : 57,184.90 = 19,393.28 : x
  2. Step 2: Convert to fraction form
    38,099.88/57,184.90 = 19,393.28/x
  3. Step 3: Cross multiply
    38,099.88x = 57,184.90 × 19,393.28
  4. Step 4: Simplify right side
    38,099.88x = 1,109,002,777.47
  5. Step 5: Solve for x
    x = 1,109,002,777.47/38,099.88
  6. Step 6: Final answer
    x = 29,107.78

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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.