Home / 66,028.84-99,033.53-21,660.28

Finding the Fourth Proportional to 66,028.84, 99,033.53 and 21,660.28

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Solution

The fourth proportional to 66,028.84, 99,033.53 and 21,660.28 is: 32,487.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,028.84 : 99,033.53 = 21,660.28 : x
  2. Step 2: Convert to fraction form
    66,028.84/99,033.53 = 21,660.28/x
  3. Step 3: Cross multiply
    66,028.84x = 99,033.53 × 21,660.28
  4. Step 4: Simplify right side
    66,028.84x = 2,145,093,989.19
  5. Step 5: Solve for x
    x = 2,145,093,989.19/66,028.84
  6. Step 6: Final answer
    x = 32,487.23

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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.