Home / 57,393.39-86,087.73-19,961.94

Finding the Fourth Proportional to 57,393.39, 86,087.73 and 19,961.94

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Solution

The fourth proportional to 57,393.39, 86,087.73 and 19,961.94 is: 29,942.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,393.39 : 86,087.73 = 19,961.94 : x
  2. Step 2: Convert to fraction form
    57,393.39/86,087.73 = 19,961.94/x
  3. Step 3: Cross multiply
    57,393.39x = 86,087.73 × 19,961.94
  4. Step 4: Simplify right side
    57,393.39x = 1,718,478,101.00
  5. Step 5: Solve for x
    x = 1,718,478,101.00/57,393.39
  6. Step 6: Final answer
    x = 29,942.09

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1.5x scale

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.