Home / 37,118.82-55,679.04-13,745.46

Finding the Fourth Proportional to 37,118.82, 55,679.04 and 13,745.46

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Solution

The fourth proportional to 37,118.82, 55,679.04 and 13,745.46 is: 20,618.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,118.82 : 55,679.04 = 13,745.46 : x
  2. Step 2: Convert to fraction form
    37,118.82/55,679.04 = 13,745.46/x
  3. Step 3: Cross multiply
    37,118.82x = 55,679.04 × 13,745.46
  4. Step 4: Simplify right side
    37,118.82x = 765,334,017.16
  5. Step 5: Solve for x
    x = 765,334,017.16/37,118.82
  6. Step 6: Final answer
    x = 20,618.49

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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.