Home / 36,990.88-55,493.61-12,029.32

Finding the Fourth Proportional to 36,990.88, 55,493.61 and 12,029.32

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Solution

The fourth proportional to 36,990.88, 55,493.61 and 12,029.32 is: 18,046.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,990.88 : 55,493.61 = 12,029.32 : x
  2. Step 2: Convert to fraction form
    36,990.88/55,493.61 = 12,029.32/x
  3. Step 3: Cross multiply
    36,990.88x = 55,493.61 × 12,029.32
  4. Step 4: Simplify right side
    36,990.88x = 667,550,055.03
  5. Step 5: Solve for x
    x = 667,550,055.03/36,990.88
  6. Step 6: Final answer
    x = 18,046.34

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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.