Home / 33,268.03-45,917.60-21,939.57

Finding the Fourth Proportional to 33,268.03, 45,917.60 and 21,939.57

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Solution

The fourth proportional to 33,268.03, 45,917.60 and 21,939.57 is: 30,281.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,268.03 : 45,917.60 = 21,939.57 : x
  2. Step 2: Convert to fraction form
    33,268.03/45,917.60 = 21,939.57/x
  3. Step 3: Cross multiply
    33,268.03x = 45,917.60 × 21,939.57
  4. Step 4: Simplify right side
    33,268.03x = 1,007,412,399.43
  5. Step 5: Solve for x
    x = 1,007,412,399.43/33,268.03
  6. Step 6: Final answer
    x = 30,281.70

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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.