Home / 37,048.44-51,132.78-21,138.06

Finding the Fourth Proportional to 37,048.44, 51,132.78 and 21,138.06

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Solution

The fourth proportional to 37,048.44, 51,132.78 and 21,138.06 is: 29,173.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,048.44 : 51,132.78 = 21,138.06 : x
  2. Step 2: Convert to fraction form
    37,048.44/51,132.78 = 21,138.06/x
  3. Step 3: Cross multiply
    37,048.44x = 51,132.78 × 21,138.06
  4. Step 4: Simplify right side
    37,048.44x = 1,080,847,771.61
  5. Step 5: Solve for x
    x = 1,080,847,771.61/37,048.44
  6. Step 6: Final answer
    x = 29,173.91

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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.