Home / 33,845-46,715.28-20,416.64

Finding the Fourth Proportional to 33,845, 46,715.28 and 20,416.64

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Solution

The fourth proportional to 33,845, 46,715.28 and 20,416.64 is: 28,180.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,845 : 46,715.28 = 20,416.64 : x
  2. Step 2: Convert to fraction form
    33,845/46,715.28 = 20,416.64/x
  3. Step 3: Cross multiply
    33,845x = 46,715.28 × 20,416.64
  4. Step 4: Simplify right side
    33,845x = 953,769,054.26
  5. Step 5: Solve for x
    x = 953,769,054.26/33,845
  6. Step 6: Final answer
    x = 28,180.50

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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.