Home / 39,268.87-54,192.44-21,806.69

Finding the Fourth Proportional to 39,268.87, 54,192.44 and 21,806.69

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Solution

The fourth proportional to 39,268.87, 54,192.44 and 21,806.69 is: 30,094.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,268.87 : 54,192.44 = 21,806.69 : x
  2. Step 2: Convert to fraction form
    39,268.87/54,192.44 = 21,806.69/x
  3. Step 3: Cross multiply
    39,268.87x = 54,192.44 × 21,806.69
  4. Step 4: Simplify right side
    39,268.87x = 1,181,757,522.98
  5. Step 5: Solve for x
    x = 1,181,757,522.98/39,268.87
  6. Step 6: Final answer
    x = 30,094.01

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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.