Home / 39,068.36-53,914.31-21,163.38

Finding the Fourth Proportional to 39,068.36, 53,914.31 and 21,163.38

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Solution

The fourth proportional to 39,068.36, 53,914.31 and 21,163.38 is: 29,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,068.36 : 53,914.31 = 21,163.38 : x
  2. Step 2: Convert to fraction form
    39,068.36/53,914.31 = 21,163.38/x
  3. Step 3: Cross multiply
    39,068.36x = 53,914.31 × 21,163.38
  4. Step 4: Simplify right side
    39,068.36x = 1,141,008,801.33
  5. Step 5: Solve for x
    x = 1,141,008,801.33/39,068.36
  6. Step 6: Final answer
    x = 29,205.44

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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.