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Finding the Fourth Proportional to 33,018.98, 45,599.99 and 30,903.06

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Solution

The fourth proportional to 33,018.98, 45,599.99 and 30,903.06 is: 42,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,018.98 : 45,599.99 = 30,903.06 : x
  2. Step 2: Convert to fraction form
    33,018.98/45,599.99 = 30,903.06/x
  3. Step 3: Cross multiply
    33,018.98x = 45,599.99 × 30,903.06
  4. Step 4: Simplify right side
    33,018.98x = 1,409,179,072.45
  5. Step 5: Solve for x
    x = 1,409,179,072.45/33,018.98
  6. Step 6: Final answer
    x = 42,677.85

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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.