Home / 33,004.20-45,541.60-18,857.96

Finding the Fourth Proportional to 33,004.20, 45,541.60 and 18,857.96

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Solution

The fourth proportional to 33,004.20, 45,541.60 and 18,857.96 is: 26,021.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,004.20 : 45,541.60 = 18,857.96 : x
  2. Step 2: Convert to fraction form
    33,004.20/45,541.60 = 18,857.96/x
  3. Step 3: Cross multiply
    33,004.20x = 45,541.60 × 18,857.96
  4. Step 4: Simplify right side
    33,004.20x = 858,821,671.14
  5. Step 5: Solve for x
    x = 858,821,671.14/33,004.20
  6. Step 6: Final answer
    x = 26,021.59

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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.