Home / 33,129.45-45,718.41-18,021.84

Finding the Fourth Proportional to 33,129.45, 45,718.41 and 18,021.84

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Solution

The fourth proportional to 33,129.45, 45,718.41 and 18,021.84 is: 24,870.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,129.45 : 45,718.41 = 18,021.84 : x
  2. Step 2: Convert to fraction form
    33,129.45/45,718.41 = 18,021.84/x
  3. Step 3: Cross multiply
    33,129.45x = 45,718.41 × 18,021.84
  4. Step 4: Simplify right side
    33,129.45x = 823,929,551.37
  5. Step 5: Solve for x
    x = 823,929,551.37/33,129.45
  6. Step 6: Final answer
    x = 24,870.00

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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.