Home / 39,068.48-53,914.56-21,163.64

Finding the Fourth Proportional to 39,068.48, 53,914.56 and 21,163.64

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Solution

The fourth proportional to 39,068.48, 53,914.56 and 21,163.64 is: 29,205.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,068.48 : 53,914.56 = 21,163.64 : x
  2. Step 2: Convert to fraction form
    39,068.48/53,914.56 = 21,163.64/x
  3. Step 3: Cross multiply
    39,068.48x = 53,914.56 × 21,163.64
  4. Step 4: Simplify right side
    39,068.48x = 1,141,028,338.60
  5. Step 5: Solve for x
    x = 1,141,028,338.60/39,068.48
  6. Step 6: Final answer
    x = 29,205.85

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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.