Home / 37,198.81-51,334.41-20,203.06

Finding the Fourth Proportional to 37,198.81, 51,334.41 and 20,203.06

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Solution

The fourth proportional to 37,198.81, 51,334.41 and 20,203.06 is: 27,880.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,198.81 : 51,334.41 = 20,203.06 : x
  2. Step 2: Convert to fraction form
    37,198.81/51,334.41 = 20,203.06/x
  3. Step 3: Cross multiply
    37,198.81x = 51,334.41 × 20,203.06
  4. Step 4: Simplify right side
    37,198.81x = 1,037,112,165.29
  5. Step 5: Solve for x
    x = 1,037,112,165.29/37,198.81
  6. Step 6: Final answer
    x = 27,880.25

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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.