Home / 39,093.53-53,949.11-21,188.48

Finding the Fourth Proportional to 39,093.53, 53,949.11 and 21,188.48

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Solution

The fourth proportional to 39,093.53, 53,949.11 and 21,188.48 is: 29,240.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,093.53 : 53,949.11 = 21,188.48 : x
  2. Step 2: Convert to fraction form
    39,093.53/53,949.11 = 21,188.48/x
  3. Step 3: Cross multiply
    39,093.53x = 53,949.11 × 21,188.48
  4. Step 4: Simplify right side
    39,093.53x = 1,143,099,262.56
  5. Step 5: Solve for x
    x = 1,143,099,262.56/39,093.53
  6. Step 6: Final answer
    x = 29,240.12

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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.