Home / 36,716.44-55,067.34-17,988.40

Finding the Fourth Proportional to 36,716.44, 55,067.34 and 17,988.40

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Solution

The fourth proportional to 36,716.44, 55,067.34 and 17,988.40 is: 26,979.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,716.44 : 55,067.34 = 17,988.40 : x
  2. Step 2: Convert to fraction form
    36,716.44/55,067.34 = 17,988.40/x
  3. Step 3: Cross multiply
    36,716.44x = 55,067.34 × 17,988.40
  4. Step 4: Simplify right side
    36,716.44x = 990,573,338.86
  5. Step 5: Solve for x
    x = 990,573,338.86/36,716.44
  6. Step 6: Final answer
    x = 26,979.01

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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.