Home / 33,436.55-46,140.80-20,015.16

Finding the Fourth Proportional to 33,436.55, 46,140.80 and 20,015.16

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Solution

The fourth proportional to 33,436.55, 46,140.80 and 20,015.16 is: 27,619.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,436.55 : 46,140.80 = 20,015.16 : x
  2. Step 2: Convert to fraction form
    33,436.55/46,140.80 = 20,015.16/x
  3. Step 3: Cross multiply
    33,436.55x = 46,140.80 × 20,015.16
  4. Step 4: Simplify right side
    33,436.55x = 923,515,394.45
  5. Step 5: Solve for x
    x = 923,515,394.45/33,436.55
  6. Step 6: Final answer
    x = 27,619.94

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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.