Home / 37,872.21-52,260.03-21,957.60

Finding the Fourth Proportional to 37,872.21, 52,260.03 and 21,957.60

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Solution

The fourth proportional to 37,872.21, 52,260.03 and 21,957.60 is: 30,299.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,872.21 : 52,260.03 = 21,957.60 : x
  2. Step 2: Convert to fraction form
    37,872.21/52,260.03 = 21,957.60/x
  3. Step 3: Cross multiply
    37,872.21x = 52,260.03 × 21,957.60
  4. Step 4: Simplify right side
    37,872.21x = 1,147,504,834.73
  5. Step 5: Solve for x
    x = 1,147,504,834.73/37,872.21
  6. Step 6: Final answer
    x = 30,299.39

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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.