Home / 30,003.24-41,416.26-19,792.64

Finding the Fourth Proportional to 30,003.24, 41,416.26 and 19,792.64

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Solution

The fourth proportional to 30,003.24, 41,416.26 and 19,792.64 is: 27,321.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,003.24 : 41,416.26 = 19,792.64 : x
  2. Step 2: Convert to fraction form
    30,003.24/41,416.26 = 19,792.64/x
  3. Step 3: Cross multiply
    30,003.24x = 41,416.26 × 19,792.64
  4. Step 4: Simplify right side
    30,003.24x = 819,737,124.33
  5. Step 5: Solve for x
    x = 819,737,124.33/30,003.24
  6. Step 6: Final answer
    x = 27,321.62

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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.