Home / 51,270.60-76,905.90-27,942.60

Finding the Fourth Proportional to 51,270.60, 76,905.90 and 27,942.60

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Solution

The fourth proportional to 51,270.60, 76,905.90 and 27,942.60 is: 41,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,270.60 : 76,905.90 = 27,942.60 : x
  2. Step 2: Convert to fraction form
    51,270.60/76,905.90 = 27,942.60/x
  3. Step 3: Cross multiply
    51,270.60x = 76,905.90 × 27,942.60
  4. Step 4: Simplify right side
    51,270.60x = 2,148,950,801.34
  5. Step 5: Solve for x
    x = 2,148,950,801.34/51,270.60
  6. Step 6: Final answer
    x = 41,913.90

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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.