Home / 36,990.25-51,047.81-20,224.33

Finding the Fourth Proportional to 36,990.25, 51,047.81 and 20,224.33

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Solution

The fourth proportional to 36,990.25, 51,047.81 and 20,224.33 is: 27,910.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,990.25 : 51,047.81 = 20,224.33 : x
  2. Step 2: Convert to fraction form
    36,990.25/51,047.81 = 20,224.33/x
  3. Step 3: Cross multiply
    36,990.25x = 51,047.81 × 20,224.33
  4. Step 4: Simplify right side
    36,990.25x = 1,032,407,654.10
  5. Step 5: Solve for x
    x = 1,032,407,654.10/36,990.25
  6. Step 6: Final answer
    x = 27,910.26

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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.