Home / 51,245.42-76,780.64-27,829.94

Finding the Fourth Proportional to 51,245.42, 76,780.64 and 27,829.94

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Solution

The fourth proportional to 51,245.42, 76,780.64 and 27,829.94 is: 41,697.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,245.42 : 76,780.64 = 27,829.94 : x
  2. Step 2: Convert to fraction form
    51,245.42/76,780.64 = 27,829.94/x
  3. Step 3: Cross multiply
    51,245.42x = 76,780.64 × 27,829.94
  4. Step 4: Simplify right side
    51,245.42x = 2,136,800,290.03
  5. Step 5: Solve for x
    x = 2,136,800,290.03/51,245.42
  6. Step 6: Final answer
    x = 41,697.39

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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.