Home / 40,524.22-60,735.20-20,538.74

Finding the Fourth Proportional to 40,524.22, 60,735.20 and 20,538.74

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Solution

The fourth proportional to 40,524.22, 60,735.20 and 20,538.74 is: 30,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,524.22 : 60,735.20 = 20,538.74 : x
  2. Step 2: Convert to fraction form
    40,524.22/60,735.20 = 20,538.74/x
  3. Step 3: Cross multiply
    40,524.22x = 60,735.20 × 20,538.74
  4. Step 4: Simplify right side
    40,524.22x = 1,247,424,481.65
  5. Step 5: Solve for x
    x = 1,247,424,481.65/40,524.22
  6. Step 6: Final answer
    x = 30,782.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.