Home / 33,286.30-45,929.00-18,945.28

Finding the Fourth Proportional to 33,286.30, 45,929.00 and 18,945.28

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Solution

The fourth proportional to 33,286.30, 45,929.00 and 18,945.28 is: 26,141.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,286.30 : 45,929.00 = 18,945.28 : x
  2. Step 2: Convert to fraction form
    33,286.30/45,929.00 = 18,945.28/x
  3. Step 3: Cross multiply
    33,286.30x = 45,929.00 × 18,945.28
  4. Step 4: Simplify right side
    33,286.30x = 870,137,440.75
  5. Step 5: Solve for x
    x = 870,137,440.75/33,286.30
  6. Step 6: Final answer
    x = 26,141.01

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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.