Home / 36,971.75-51,021.02-20,204.75

Finding the Fourth Proportional to 36,971.75, 51,021.02 and 20,204.75

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Solution

The fourth proportional to 36,971.75, 51,021.02 and 20,204.75 is: 27,882.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,971.75 : 51,021.02 = 20,204.75 : x
  2. Step 2: Convert to fraction form
    36,971.75/51,021.02 = 20,204.75/x
  3. Step 3: Cross multiply
    36,971.75x = 51,021.02 × 20,204.75
  4. Step 4: Simplify right side
    36,971.75x = 1,030,866,852.82
  5. Step 5: Solve for x
    x = 1,030,866,852.82/36,971.75
  6. Step 6: Final answer
    x = 27,882.56

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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.