Home / 33,518.09-46,276.63-20,784.80

Finding the Fourth Proportional to 33,518.09, 46,276.63 and 20,784.80

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Solution

The fourth proportional to 33,518.09, 46,276.63 and 20,784.80 is: 28,696.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,518.09 : 46,276.63 = 20,784.80 : x
  2. Step 2: Convert to fraction form
    33,518.09/46,276.63 = 20,784.80/x
  3. Step 3: Cross multiply
    33,518.09x = 46,276.63 × 20,784.80
  4. Step 4: Simplify right side
    33,518.09x = 961,850,499.22
  5. Step 5: Solve for x
    x = 961,850,499.22/33,518.09
  6. Step 6: Final answer
    x = 28,696.46

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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.