Home / 33,539.67-46,257.28-20,783.99

Finding the Fourth Proportional to 33,539.67, 46,257.28 and 20,783.99

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Solution

The fourth proportional to 33,539.67, 46,257.28 and 20,783.99 is: 28,664.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,539.67 : 46,257.28 = 20,783.99 : x
  2. Step 2: Convert to fraction form
    33,539.67/46,257.28 = 20,783.99/x
  3. Step 3: Cross multiply
    33,539.67x = 46,257.28 × 20,783.99
  4. Step 4: Simplify right side
    33,539.67x = 961,410,844.95
  5. Step 5: Solve for x
    x = 961,410,844.95/33,539.67
  6. Step 6: Final answer
    x = 28,664.89

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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.