Home / 38,021.00-57,039.09-11,724.75

Finding the Fourth Proportional to 38,021.00, 57,039.09 and 11,724.75

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Solution

The fourth proportional to 38,021.00, 57,039.09 and 11,724.75 is: 17,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,021.00 : 57,039.09 = 11,724.75 : x
  2. Step 2: Convert to fraction form
    38,021.00/57,039.09 = 11,724.75/x
  3. Step 3: Cross multiply
    38,021.00x = 57,039.09 × 11,724.75
  4. Step 4: Simplify right side
    38,021.00x = 668,769,026.51
  5. Step 5: Solve for x
    x = 668,769,026.51/38,021.00
  6. Step 6: Final answer
    x = 17,589.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.