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Finding the Fourth Proportional to 33,216.75, 45,839.12 and 18,312.75

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Solution

The fourth proportional to 33,216.75, 45,839.12 and 18,312.75 is: 25,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,216.75 : 45,839.12 = 18,312.75 : x
  2. Step 2: Convert to fraction form
    33,216.75/45,839.12 = 18,312.75/x
  3. Step 3: Cross multiply
    33,216.75x = 45,839.12 × 18,312.75
  4. Step 4: Simplify right side
    33,216.75x = 839,440,253.22
  5. Step 5: Solve for x
    x = 839,440,253.22/33,216.75
  6. Step 6: Final answer
    x = 25,271.60

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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.