Home / 45,847.44-68,772.47-20,874.60

Finding the Fourth Proportional to 45,847.44, 68,772.47 and 20,874.60

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Solution

The fourth proportional to 45,847.44, 68,772.47 and 20,874.60 is: 31,312.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,847.44 : 68,772.47 = 20,874.60 : x
  2. Step 2: Convert to fraction form
    45,847.44/68,772.47 = 20,874.60/x
  3. Step 3: Cross multiply
    45,847.44x = 68,772.47 × 20,874.60
  4. Step 4: Simplify right side
    45,847.44x = 1,435,597,697.89
  5. Step 5: Solve for x
    x = 1,435,597,697.89/45,847.44
  6. Step 6: Final answer
    x = 31,312.49

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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.