Home / 29,772.12-41,087.60-19,683.03

Finding the Fourth Proportional to 29,772.12, 41,087.60 and 19,683.03

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Solution

The fourth proportional to 29,772.12, 41,087.60 and 19,683.03 is: 27,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,772.12 : 41,087.60 = 19,683.03 : x
  2. Step 2: Convert to fraction form
    29,772.12/41,087.60 = 19,683.03/x
  3. Step 3: Cross multiply
    29,772.12x = 41,087.60 × 19,683.03
  4. Step 4: Simplify right side
    29,772.12x = 808,728,463.43
  5. Step 5: Solve for x
    x = 808,728,463.43/29,772.12
  6. Step 6: Final answer
    x = 27,163.95

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1.5x scale

Why These Related Problems?

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