Home / 40,021.97-55,232.43-23,028.80

Finding the Fourth Proportional to 40,021.97, 55,232.43 and 23,028.80

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Solution

The fourth proportional to 40,021.97, 55,232.43 and 23,028.80 is: 31,780.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,021.97 : 55,232.43 = 23,028.80 : x
  2. Step 2: Convert to fraction form
    40,021.97/55,232.43 = 23,028.80/x
  3. Step 3: Cross multiply
    40,021.97x = 55,232.43 × 23,028.80
  4. Step 4: Simplify right side
    40,021.97x = 1,271,936,307.82
  5. Step 5: Solve for x
    x = 1,271,936,307.82/40,021.97
  6. Step 6: Final answer
    x = 31,780.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.