Home / 51,216.72-76,722.60-40,704.48

Finding the Fourth Proportional to 51,216.72, 76,722.60 and 40,704.48

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Solution

The fourth proportional to 51,216.72, 76,722.60 and 40,704.48 is: 60,975.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,216.72 : 76,722.60 = 40,704.48 : x
  2. Step 2: Convert to fraction form
    51,216.72/76,722.60 = 40,704.48/x
  3. Step 3: Cross multiply
    51,216.72x = 76,722.60 × 40,704.48
  4. Step 4: Simplify right side
    51,216.72x = 3,122,953,537.25
  5. Step 5: Solve for x
    x = 3,122,953,537.25/51,216.72
  6. Step 6: Final answer
    x = 60,975.27

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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.