Home / 33,016.21-45,576.57-20,271.47

Finding the Fourth Proportional to 33,016.21, 45,576.57 and 20,271.47

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Solution

The fourth proportional to 33,016.21, 45,576.57 and 20,271.47 is: 27,983.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,016.21 : 45,576.57 = 20,271.47 : x
  2. Step 2: Convert to fraction form
    33,016.21/45,576.57 = 20,271.47/x
  3. Step 3: Cross multiply
    33,016.21x = 45,576.57 × 20,271.47
  4. Step 4: Simplify right side
    33,016.21x = 923,903,919.59
  5. Step 5: Solve for x
    x = 923,903,919.59/33,016.21
  6. Step 6: Final answer
    x = 27,983.34

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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.