Home / 30,119.87-41,568.26-18,193.03

Finding the Fourth Proportional to 30,119.87, 41,568.26 and 18,193.03

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Solution

The fourth proportional to 30,119.87, 41,568.26 and 18,193.03 is: 25,108.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.87 : 41,568.26 = 18,193.03 : x
  2. Step 2: Convert to fraction form
    30,119.87/41,568.26 = 18,193.03/x
  3. Step 3: Cross multiply
    30,119.87x = 41,568.26 × 18,193.03
  4. Step 4: Simplify right side
    30,119.87x = 756,252,406.34
  5. Step 5: Solve for x
    x = 756,252,406.34/30,119.87
  6. Step 6: Final answer
    x = 25,108.09

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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.