Home / 33,885.56-46,761.50-18,778.19

Finding the Fourth Proportional to 33,885.56, 46,761.50 and 18,778.19

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Solution

The fourth proportional to 33,885.56, 46,761.50 and 18,778.19 is: 25,913.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,885.56 : 46,761.50 = 18,778.19 : x
  2. Step 2: Convert to fraction form
    33,885.56/46,761.50 = 18,778.19/x
  3. Step 3: Cross multiply
    33,885.56x = 46,761.50 × 18,778.19
  4. Step 4: Simplify right side
    33,885.56x = 878,096,003.99
  5. Step 5: Solve for x
    x = 878,096,003.99/33,885.56
  6. Step 6: Final answer
    x = 25,913.58

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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.