Home / 33,431.85-46,135.54-18,118.07

Finding the Fourth Proportional to 33,431.85, 46,135.54 and 18,118.07

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Solution

The fourth proportional to 33,431.85, 46,135.54 and 18,118.07 is: 25,002.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,431.85 : 46,135.54 = 18,118.07 : x
  2. Step 2: Convert to fraction form
    33,431.85/46,135.54 = 18,118.07/x
  3. Step 3: Cross multiply
    33,431.85x = 46,135.54 × 18,118.07
  4. Step 4: Simplify right side
    33,431.85x = 835,886,621.94
  5. Step 5: Solve for x
    x = 835,886,621.94/33,431.85
  6. Step 6: Final answer
    x = 25,002.71

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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.