Home / 33,076.22-45,646-18,933.62

Finding the Fourth Proportional to 33,076.22, 45,646 and 18,933.62

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Solution

The fourth proportional to 33,076.22, 45,646 and 18,933.62 is: 26,128.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,076.22 : 45,646 = 18,933.62 : x
  2. Step 2: Convert to fraction form
    33,076.22/45,646 = 18,933.62/x
  3. Step 3: Cross multiply
    33,076.22x = 45,646 × 18,933.62
  4. Step 4: Simplify right side
    33,076.22x = 864,244,018.52
  5. Step 5: Solve for x
    x = 864,244,018.52/33,076.22
  6. Step 6: Final answer
    x = 26,128.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.