Home / 33,839.06-50,742.80-12,762.86

Finding the Fourth Proportional to 33,839.06, 50,742.80 and 12,762.86

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Solution

The fourth proportional to 33,839.06, 50,742.80 and 12,762.86 is: 19,138.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,839.06 : 50,742.80 = 12,762.86 : x
  2. Step 2: Convert to fraction form
    33,839.06/50,742.80 = 12,762.86/x
  3. Step 3: Cross multiply
    33,839.06x = 50,742.80 × 12,762.86
  4. Step 4: Simplify right side
    33,839.06x = 647,623,188.59
  5. Step 5: Solve for x
    x = 647,623,188.59/33,839.06
  6. Step 6: Final answer
    x = 19,138.33

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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.