Home / 30,040.37-45,067.38-15,992.99

Finding the Fourth Proportional to 30,040.37, 45,067.38 and 15,992.99

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Solution

The fourth proportional to 30,040.37, 45,067.38 and 15,992.99 is: 23,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,040.37 : 45,067.38 = 15,992.99 : x
  2. Step 2: Convert to fraction form
    30,040.37/45,067.38 = 15,992.99/x
  3. Step 3: Cross multiply
    30,040.37x = 45,067.38 × 15,992.99
  4. Step 4: Simplify right side
    30,040.37x = 720,762,157.67
  5. Step 5: Solve for x
    x = 720,762,157.67/30,040.37
  6. Step 6: Final answer
    x = 23,993.12

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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.