Home / 39,093.48-53,949.21-21,188.49

Finding the Fourth Proportional to 39,093.48, 53,949.21 and 21,188.49

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Solution

The fourth proportional to 39,093.48, 53,949.21 and 21,188.49 is: 29,240.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,093.48 : 53,949.21 = 21,188.49 : x
  2. Step 2: Convert to fraction form
    39,093.48/53,949.21 = 21,188.49/x
  3. Step 3: Cross multiply
    39,093.48x = 53,949.21 × 21,188.49
  4. Step 4: Simplify right side
    39,093.48x = 1,143,102,296.59
  5. Step 5: Solve for x
    x = 1,143,102,296.59/39,093.48
  6. Step 6: Final answer
    x = 29,240.23

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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.