Home / 35,906.82-53,835.93-12,520.50

Finding the Fourth Proportional to 35,906.82, 53,835.93 and 12,520.50

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Solution

The fourth proportional to 35,906.82, 53,835.93 and 12,520.50 is: 18,772.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,906.82 : 53,835.93 = 12,520.50 : x
  2. Step 2: Convert to fraction form
    35,906.82/53,835.93 = 12,520.50/x
  3. Step 3: Cross multiply
    35,906.82x = 53,835.93 × 12,520.50
  4. Step 4: Simplify right side
    35,906.82x = 674,052,761.57
  5. Step 5: Solve for x
    x = 674,052,761.57/35,906.82
  6. Step 6: Final answer
    x = 18,772.28

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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.