Home / 36,401.58-54,615.49-12,712.61

Finding the Fourth Proportional to 36,401.58, 54,615.49 and 12,712.61

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Solution

The fourth proportional to 36,401.58, 54,615.49 and 12,712.61 is: 19,073.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,401.58 : 54,615.49 = 12,712.61 : x
  2. Step 2: Convert to fraction form
    36,401.58/54,615.49 = 12,712.61/x
  3. Step 3: Cross multiply
    36,401.58x = 54,615.49 × 12,712.61
  4. Step 4: Simplify right side
    36,401.58x = 694,305,529.09
  5. Step 5: Solve for x
    x = 694,305,529.09/36,401.58
  6. Step 6: Final answer
    x = 19,073.50

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1.5x scale

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.