Home / 39,068.21-53,914.39-21,163.22

Finding the Fourth Proportional to 39,068.21, 53,914.39 and 21,163.22

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Solution

The fourth proportional to 39,068.21, 53,914.39 and 21,163.22 is: 29,205.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,068.21 : 53,914.39 = 21,163.22 : x
  2. Step 2: Convert to fraction form
    39,068.21/53,914.39 = 21,163.22/x
  3. Step 3: Cross multiply
    39,068.21x = 53,914.39 × 21,163.22
  4. Step 4: Simplify right side
    39,068.21x = 1,141,002,014.86
  5. Step 5: Solve for x
    x = 1,141,002,014.86/39,068.21
  6. Step 6: Final answer
    x = 29,205.38

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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.