Home / 33,778.76-46,615.37-18,672.66

Finding the Fourth Proportional to 33,778.76, 46,615.37 and 18,672.66

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Solution

The fourth proportional to 33,778.76, 46,615.37 and 18,672.66 is: 25,768.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,778.76 : 46,615.37 = 18,672.66 : x
  2. Step 2: Convert to fraction form
    33,778.76/46,615.37 = 18,672.66/x
  3. Step 3: Cross multiply
    33,778.76x = 46,615.37 × 18,672.66
  4. Step 4: Simplify right side
    33,778.76x = 870,432,861.42
  5. Step 5: Solve for x
    x = 870,432,861.42/33,778.76
  6. Step 6: Final answer
    x = 25,768.65

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1.5x scale

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.