Home / 39,112.88-53,884.52-31,997.84

Finding the Fourth Proportional to 39,112.88, 53,884.52 and 31,997.84

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Solution

The fourth proportional to 39,112.88, 53,884.52 and 31,997.84 is: 44,082.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,112.88 : 53,884.52 = 31,997.84 : x
  2. Step 2: Convert to fraction form
    39,112.88/53,884.52 = 31,997.84/x
  3. Step 3: Cross multiply
    39,112.88x = 53,884.52 × 31,997.84
  4. Step 4: Simplify right side
    39,112.88x = 1,724,188,249.44
  5. Step 5: Solve for x
    x = 1,724,188,249.44/39,112.88
  6. Step 6: Final answer
    x = 44,082.36

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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.