Home / 37,906.45-52,310.25-20,912.32

Finding the Fourth Proportional to 37,906.45, 52,310.25 and 20,912.32

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Solution

The fourth proportional to 37,906.45, 52,310.25 and 20,912.32 is: 28,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,906.45 : 52,310.25 = 20,912.32 : x
  2. Step 2: Convert to fraction form
    37,906.45/52,310.25 = 20,912.32/x
  3. Step 3: Cross multiply
    37,906.45x = 52,310.25 × 20,912.32
  4. Step 4: Simplify right side
    37,906.45x = 1,093,928,687.28
  5. Step 5: Solve for x
    x = 1,093,928,687.28/37,906.45
  6. Step 6: Final answer
    x = 28,858.64

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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.