Home / 30,159.75-41,625.24-18,224.79

Finding the Fourth Proportional to 30,159.75, 41,625.24 and 18,224.79

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Solution

The fourth proportional to 30,159.75, 41,625.24 and 18,224.79 is: 25,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,159.75 : 41,625.24 = 18,224.79 : x
  2. Step 2: Convert to fraction form
    30,159.75/41,625.24 = 18,224.79/x
  3. Step 3: Cross multiply
    30,159.75x = 41,625.24 × 18,224.79
  4. Step 4: Simplify right side
    30,159.75x = 758,611,257.70
  5. Step 5: Solve for x
    x = 758,611,257.70/30,159.75
  6. Step 6: Final answer
    x = 25,153.10

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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.