Home / 27,576.40-41,385.47-20,200.03

Finding the Fourth Proportional to 27,576.40, 41,385.47 and 20,200.03

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Solution

The fourth proportional to 27,576.40, 41,385.47 and 20,200.03 is: 30,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,576.40 : 41,385.47 = 20,200.03 : x
  2. Step 2: Convert to fraction form
    27,576.40/41,385.47 = 20,200.03/x
  3. Step 3: Cross multiply
    27,576.40x = 41,385.47 × 20,200.03
  4. Step 4: Simplify right side
    27,576.40x = 835,987,735.56
  5. Step 5: Solve for x
    x = 835,987,735.56/27,576.40
  6. Step 6: Final answer
    x = 30,315.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.