Home / 33,485.82-46,206.44-19,871.70

Finding the Fourth Proportional to 33,485.82, 46,206.44 and 19,871.70

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Solution

The fourth proportional to 33,485.82, 46,206.44 and 19,871.70 is: 27,420.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,485.82 : 46,206.44 = 19,871.70 : x
  2. Step 2: Convert to fraction form
    33,485.82/46,206.44 = 19,871.70/x
  3. Step 3: Cross multiply
    33,485.82x = 46,206.44 × 19,871.70
  4. Step 4: Simplify right side
    33,485.82x = 918,200,513.75
  5. Step 5: Solve for x
    x = 918,200,513.75/33,485.82
  6. Step 6: Final answer
    x = 27,420.58

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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.