Home / 37,181.28-51,310.56-20,185.68

Finding the Fourth Proportional to 37,181.28, 51,310.56 and 20,185.68

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Solution

The fourth proportional to 37,181.28, 51,310.56 and 20,185.68 is: 27,856.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,181.28 : 51,310.56 = 20,185.68 : x
  2. Step 2: Convert to fraction form
    37,181.28/51,310.56 = 20,185.68/x
  3. Step 3: Cross multiply
    37,181.28x = 51,310.56 × 20,185.68
  4. Step 4: Simplify right side
    37,181.28x = 1,035,738,812.89
  5. Step 5: Solve for x
    x = 1,035,738,812.89/37,181.28
  6. Step 6: Final answer
    x = 27,856.46

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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.