Home / 36,975.90-55,422.23-18,216.21

Finding the Fourth Proportional to 36,975.90, 55,422.23 and 18,216.21

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Solution

The fourth proportional to 36,975.90, 55,422.23 and 18,216.21 is: 27,303.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,975.90 : 55,422.23 = 18,216.21 : x
  2. Step 2: Convert to fraction form
    36,975.90/55,422.23 = 18,216.21/x
  3. Step 3: Cross multiply
    36,975.90x = 55,422.23 × 18,216.21
  4. Step 4: Simplify right side
    36,975.90x = 1,009,582,889.27
  5. Step 5: Solve for x
    x = 1,009,582,889.27/36,975.90
  6. Step 6: Final answer
    x = 27,303.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.