Home / 38,080.99-57,087.15-18,078.13

Finding the Fourth Proportional to 38,080.99, 57,087.15 and 18,078.13

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Solution

The fourth proportional to 38,080.99, 57,087.15 and 18,078.13 is: 27,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,080.99 : 57,087.15 = 18,078.13 : x
  2. Step 2: Convert to fraction form
    38,080.99/57,087.15 = 18,078.13/x
  3. Step 3: Cross multiply
    38,080.99x = 57,087.15 × 18,078.13
  4. Step 4: Simplify right side
    38,080.99x = 1,032,028,919.03
  5. Step 5: Solve for x
    x = 1,032,028,919.03/38,080.99
  6. Step 6: Final answer
    x = 27,100.90

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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.