Home / 37,375.83-51,577.99-20,380.21

Finding the Fourth Proportional to 37,375.83, 51,577.99 and 20,380.21

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Solution

The fourth proportional to 37,375.83, 51,577.99 and 20,380.21 is: 28,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,375.83 : 51,577.99 = 20,380.21 : x
  2. Step 2: Convert to fraction form
    37,375.83/51,577.99 = 20,380.21/x
  3. Step 3: Cross multiply
    37,375.83x = 51,577.99 × 20,380.21
  4. Step 4: Simplify right side
    37,375.83x = 1,051,170,087.68
  5. Step 5: Solve for x
    x = 1,051,170,087.68/37,375.83
  6. Step 6: Final answer
    x = 28,124.33

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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.