Home / 36,907.62-55,360.08-20,275.44

Finding the Fourth Proportional to 36,907.62, 55,360.08 and 20,275.44

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Solution

The fourth proportional to 36,907.62, 55,360.08 and 20,275.44 is: 30,412.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,907.62 : 55,360.08 = 20,275.44 : x
  2. Step 2: Convert to fraction form
    36,907.62/55,360.08 = 20,275.44/x
  3. Step 3: Cross multiply
    36,907.62x = 55,360.08 × 20,275.44
  4. Step 4: Simplify right side
    36,907.62x = 1,122,449,980.44
  5. Step 5: Solve for x
    x = 1,122,449,980.44/36,907.62
  6. Step 6: Final answer
    x = 30,412.42

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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.