Home / 33,390.12-46,078.26-18,486.12

Finding the Fourth Proportional to 33,390.12, 46,078.26 and 18,486.12

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Solution

The fourth proportional to 33,390.12, 46,078.26 and 18,486.12 is: 25,510.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,390.12 : 46,078.26 = 18,486.12 : x
  2. Step 2: Convert to fraction form
    33,390.12/46,078.26 = 18,486.12/x
  3. Step 3: Cross multiply
    33,390.12x = 46,078.26 × 18,486.12
  4. Step 4: Simplify right side
    33,390.12x = 851,808,243.75
  5. Step 5: Solve for x
    x = 851,808,243.75/33,390.12
  6. Step 6: Final answer
    x = 25,510.79

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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.