Home / 51,977.70-71,748.58-40,469.76

Finding the Fourth Proportional to 51,977.70, 71,748.58 and 40,469.76

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Solution

The fourth proportional to 51,977.70, 71,748.58 and 40,469.76 is: 55,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,977.70 : 71,748.58 = 40,469.76 : x
  2. Step 2: Convert to fraction form
    51,977.70/71,748.58 = 40,469.76/x
  3. Step 3: Cross multiply
    51,977.70x = 71,748.58 × 40,469.76
  4. Step 4: Simplify right side
    51,977.70x = 2,903,647,812.94
  5. Step 5: Solve for x
    x = 2,903,647,812.94/51,977.70
  6. Step 6: Final answer
    x = 55,863.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.