Home / 36,972.75-51,022.40-20,205.75

Finding the Fourth Proportional to 36,972.75, 51,022.40 and 20,205.75

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Solution

The fourth proportional to 36,972.75, 51,022.40 and 20,205.75 is: 27,883.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,972.75 : 51,022.40 = 20,205.75 : x
  2. Step 2: Convert to fraction form
    36,972.75/51,022.40 = 20,205.75/x
  3. Step 3: Cross multiply
    36,972.75x = 51,022.40 × 20,205.75
  4. Step 4: Simplify right side
    36,972.75x = 1,030,945,858.80
  5. Step 5: Solve for x
    x = 1,030,945,858.80/36,972.75
  6. Step 6: Final answer
    x = 27,883.94

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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.