Home / 33,218.21-49,851-18,438.95

Finding the Fourth Proportional to 33,218.21, 49,851 and 18,438.95

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Solution

The fourth proportional to 33,218.21, 49,851 and 18,438.95 is: 27,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218.21 : 49,851 = 18,438.95 : x
  2. Step 2: Convert to fraction form
    33,218.21/49,851 = 18,438.95/x
  3. Step 3: Cross multiply
    33,218.21x = 49,851 × 18,438.95
  4. Step 4: Simplify right side
    33,218.21x = 919,199,847.20
  5. Step 5: Solve for x
    x = 919,199,847.20/33,218.21
  6. Step 6: Final answer
    x = 27,671.57

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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.