Home / 36,949.54-55,432.09-11,987.64

Finding the Fourth Proportional to 36,949.54, 55,432.09 and 11,987.64

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Solution

The fourth proportional to 36,949.54, 55,432.09 and 11,987.64 is: 17,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,949.54 : 55,432.09 = 11,987.64 : x
  2. Step 2: Convert to fraction form
    36,949.54/55,432.09 = 11,987.64/x
  3. Step 3: Cross multiply
    36,949.54x = 55,432.09 × 11,987.64
  4. Step 4: Simplify right side
    36,949.54x = 664,499,939.37
  5. Step 5: Solve for x
    x = 664,499,939.37/36,949.54
  6. Step 6: Final answer
    x = 17,983.98

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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.