Home / 33,678.48-46,476.64-18,571.72

Finding the Fourth Proportional to 33,678.48, 46,476.64 and 18,571.72

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Solution

The fourth proportional to 33,678.48, 46,476.64 and 18,571.72 is: 25,629.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,678.48 : 46,476.64 = 18,571.72 : x
  2. Step 2: Convert to fraction form
    33,678.48/46,476.64 = 18,571.72/x
  3. Step 3: Cross multiply
    33,678.48x = 46,476.64 × 18,571.72
  4. Step 4: Simplify right side
    33,678.48x = 863,151,144.62
  5. Step 5: Solve for x
    x = 863,151,144.62/33,678.48
  6. Step 6: Final answer
    x = 25,629.16

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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.