Home / 41,980.54-62,977.64-12,401.36

Finding the Fourth Proportional to 41,980.54, 62,977.64 and 12,401.36

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Solution

The fourth proportional to 41,980.54, 62,977.64 and 12,401.36 is: 18,604.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,980.54 : 62,977.64 = 12,401.36 : x
  2. Step 2: Convert to fraction form
    41,980.54/62,977.64 = 12,401.36/x
  3. Step 3: Cross multiply
    41,980.54x = 62,977.64 × 12,401.36
  4. Step 4: Simplify right side
    41,980.54x = 781,008,385.59
  5. Step 5: Solve for x
    x = 781,008,385.59/41,980.54
  6. Step 6: Final answer
    x = 18,604.06

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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.