Home / 29,728.41-41,029.38-18,401.52

Finding the Fourth Proportional to 29,728.41, 41,029.38 and 18,401.52

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Solution

The fourth proportional to 29,728.41, 41,029.38 and 18,401.52 is: 25,396.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,728.41 : 41,029.38 = 18,401.52 : x
  2. Step 2: Convert to fraction form
    29,728.41/41,029.38 = 18,401.52/x
  3. Step 3: Cross multiply
    29,728.41x = 41,029.38 × 18,401.52
  4. Step 4: Simplify right side
    29,728.41x = 755,002,956.66
  5. Step 5: Solve for x
    x = 755,002,956.66/29,728.41
  6. Step 6: Final answer
    x = 25,396.68

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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.