Home / 36,972.25-51,021.71-20,205.25

Finding the Fourth Proportional to 36,972.25, 51,021.71 and 20,205.25

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Solution

The fourth proportional to 36,972.25, 51,021.71 and 20,205.25 is: 27,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,972.25 : 51,021.71 = 20,205.25 : x
  2. Step 2: Convert to fraction form
    36,972.25/51,021.71 = 20,205.25/x
  3. Step 3: Cross multiply
    36,972.25x = 51,021.71 × 20,205.25
  4. Step 4: Simplify right side
    36,972.25x = 1,030,906,405.98
  5. Step 5: Solve for x
    x = 1,030,906,405.98/36,972.25
  6. Step 6: Final answer
    x = 27,883.25

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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.