Home / 29,182.88-40,245.54-19,107.92

Finding the Fourth Proportional to 29,182.88, 40,245.54 and 19,107.92

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Solution

The fourth proportional to 29,182.88, 40,245.54 and 19,107.92 is: 26,351.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,182.88 : 40,245.54 = 19,107.92 : x
  2. Step 2: Convert to fraction form
    29,182.88/40,245.54 = 19,107.92/x
  3. Step 3: Cross multiply
    29,182.88x = 40,245.54 × 19,107.92
  4. Step 4: Simplify right side
    29,182.88x = 769,008,558.68
  5. Step 5: Solve for x
    x = 769,008,558.68/29,182.88
  6. Step 6: Final answer
    x = 26,351.36

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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.