Home / 34,185.94-47,178.44-20,043.34

Finding the Fourth Proportional to 34,185.94, 47,178.44 and 20,043.34

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Solution

The fourth proportional to 34,185.94, 47,178.44 and 20,043.34 is: 27,660.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,185.94 : 47,178.44 = 20,043.34 : x
  2. Step 2: Convert to fraction form
    34,185.94/47,178.44 = 20,043.34/x
  3. Step 3: Cross multiply
    34,185.94x = 47,178.44 × 20,043.34
  4. Step 4: Simplify right side
    34,185.94x = 945,613,370.59
  5. Step 5: Solve for x
    x = 945,613,370.59/34,185.94
  6. Step 6: Final answer
    x = 27,660.89

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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.