Home / 55,211.42-82,815.44-15,768.60

Finding the Fourth Proportional to 55,211.42, 82,815.44 and 15,768.60

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Solution

The fourth proportional to 55,211.42, 82,815.44 and 15,768.60 is: 23,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,211.42 : 82,815.44 = 15,768.60 : x
  2. Step 2: Convert to fraction form
    55,211.42/82,815.44 = 15,768.60/x
  3. Step 3: Cross multiply
    55,211.42x = 82,815.44 × 15,768.60
  4. Step 4: Simplify right side
    55,211.42x = 1,305,883,468.34
  5. Step 5: Solve for x
    x = 1,305,883,468.34/55,211.42
  6. Step 6: Final answer
    x = 23,652.42

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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.