Home / 37,734.20-52,074.45-20,739.05

Finding the Fourth Proportional to 37,734.20, 52,074.45 and 20,739.05

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Solution

The fourth proportional to 37,734.20, 52,074.45 and 20,739.05 is: 28,620.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,734.20 : 52,074.45 = 20,739.05 : x
  2. Step 2: Convert to fraction form
    37,734.20/52,074.45 = 20,739.05/x
  3. Step 3: Cross multiply
    37,734.20x = 52,074.45 × 20,739.05
  4. Step 4: Simplify right side
    37,734.20x = 1,079,974,570.42
  5. Step 5: Solve for x
    x = 1,079,974,570.42/37,734.20
  6. Step 6: Final answer
    x = 28,620.57

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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.