Home / 37,396.97-51,608.07-20,401.49

Finding the Fourth Proportional to 37,396.97, 51,608.07 and 20,401.49

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Solution

The fourth proportional to 37,396.97, 51,608.07 and 20,401.49 is: 28,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,396.97 : 51,608.07 = 20,401.49 : x
  2. Step 2: Convert to fraction form
    37,396.97/51,608.07 = 20,401.49/x
  3. Step 3: Cross multiply
    37,396.97x = 51,608.07 × 20,401.49
  4. Step 4: Simplify right side
    37,396.97x = 1,052,881,362.75
  5. Step 5: Solve for x
    x = 1,052,881,362.75/37,396.97
  6. Step 6: Final answer
    x = 28,154.19

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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.