Home / 37,972.73-52,401.74-20,976.98

Finding the Fourth Proportional to 37,972.73, 52,401.74 and 20,976.98

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Solution

The fourth proportional to 37,972.73, 52,401.74 and 20,976.98 is: 28,947.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,972.73 : 52,401.74 = 20,976.98 : x
  2. Step 2: Convert to fraction form
    37,972.73/52,401.74 = 20,976.98/x
  3. Step 3: Cross multiply
    37,972.73x = 52,401.74 × 20,976.98
  4. Step 4: Simplify right side
    37,972.73x = 1,099,229,885.05
  5. Step 5: Solve for x
    x = 1,099,229,885.05/37,972.73
  6. Step 6: Final answer
    x = 28,947.87

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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.