Home / 36,989.42-55,489.40-12,021.44

Finding the Fourth Proportional to 36,989.42, 55,489.40 and 12,021.44

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Solution

The fourth proportional to 36,989.42, 55,489.40 and 12,021.44 is: 18,033.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,989.42 : 55,489.40 = 12,021.44 : x
  2. Step 2: Convert to fraction form
    36,989.42/55,489.40 = 12,021.44/x
  3. Step 3: Cross multiply
    36,989.42x = 55,489.40 × 12,021.44
  4. Step 4: Simplify right side
    36,989.42x = 667,062,432.63
  5. Step 5: Solve for x
    x = 667,062,432.63/36,989.42
  6. Step 6: Final answer
    x = 18,033.87

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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.