Home / 31,249.80-43,119.54-17,822.03

Finding the Fourth Proportional to 31,249.80, 43,119.54 and 17,822.03

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Solution

The fourth proportional to 31,249.80, 43,119.54 and 17,822.03 is: 24,591.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,249.80 : 43,119.54 = 17,822.03 : x
  2. Step 2: Convert to fraction form
    31,249.80/43,119.54 = 17,822.03/x
  3. Step 3: Cross multiply
    31,249.80x = 43,119.54 × 17,822.03
  4. Step 4: Simplify right side
    31,249.80x = 768,477,519.87
  5. Step 5: Solve for x
    x = 768,477,519.87/31,249.80
  6. Step 6: Final answer
    x = 24,591.44

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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.