Home / 37,138.26-51,250.53-20,142.45

Finding the Fourth Proportional to 37,138.26, 51,250.53 and 20,142.45

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Solution

The fourth proportional to 37,138.26, 51,250.53 and 20,142.45 is: 27,796.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,138.26 : 51,250.53 = 20,142.45 : x
  2. Step 2: Convert to fraction form
    37,138.26/51,250.53 = 20,142.45/x
  3. Step 3: Cross multiply
    37,138.26x = 51,250.53 × 20,142.45
  4. Step 4: Simplify right side
    37,138.26x = 1,032,311,238.00
  5. Step 5: Solve for x
    x = 1,032,311,238.00/37,138.26
  6. Step 6: Final answer
    x = 27,796.44

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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.