Home / 37,797.22-52,157.10-21,878.56

Finding the Fourth Proportional to 37,797.22, 52,157.10 and 21,878.56

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Solution

The fourth proportional to 37,797.22, 52,157.10 and 21,878.56 is: 30,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,797.22 : 52,157.10 = 21,878.56 : x
  2. Step 2: Convert to fraction form
    37,797.22/52,157.10 = 21,878.56/x
  3. Step 3: Cross multiply
    37,797.22x = 52,157.10 × 21,878.56
  4. Step 4: Simplify right side
    37,797.22x = 1,141,122,241.78
  5. Step 5: Solve for x
    x = 1,141,122,241.78/37,797.22
  6. Step 6: Final answer
    x = 30,190.64

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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.