Home / 45,201.44-67,786.42-18,539.85

Finding the Fourth Proportional to 45,201.44, 67,786.42 and 18,539.85

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Solution

The fourth proportional to 45,201.44, 67,786.42 and 18,539.85 is: 27,803.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,201.44 : 67,786.42 = 18,539.85 : x
  2. Step 2: Convert to fraction form
    45,201.44/67,786.42 = 18,539.85/x
  3. Step 3: Cross multiply
    45,201.44x = 67,786.42 × 18,539.85
  4. Step 4: Simplify right side
    45,201.44x = 1,256,750,012.49
  5. Step 5: Solve for x
    x = 1,256,750,012.49/45,201.44
  6. Step 6: Final answer
    x = 27,803.32

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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.