Home / 33,980.69-46,887.18-20,550.08

Finding the Fourth Proportional to 33,980.69, 46,887.18 and 20,550.08

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Solution

The fourth proportional to 33,980.69, 46,887.18 and 20,550.08 is: 28,355.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,980.69 : 46,887.18 = 20,550.08 : x
  2. Step 2: Convert to fraction form
    33,980.69/46,887.18 = 20,550.08/x
  3. Step 3: Cross multiply
    33,980.69x = 46,887.18 × 20,550.08
  4. Step 4: Simplify right side
    33,980.69x = 963,535,299.97
  5. Step 5: Solve for x
    x = 963,535,299.97/33,980.69
  6. Step 6: Final answer
    x = 28,355.38

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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.