Home / 33,261.60-45,884.96-19,828.64

Finding the Fourth Proportional to 33,261.60, 45,884.96 and 19,828.64

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Solution

The fourth proportional to 33,261.60, 45,884.96 and 19,828.64 is: 27,353.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,261.60 : 45,884.96 = 19,828.64 : x
  2. Step 2: Convert to fraction form
    33,261.60/45,884.96 = 19,828.64/x
  3. Step 3: Cross multiply
    33,261.60x = 45,884.96 × 19,828.64
  4. Step 4: Simplify right side
    33,261.60x = 909,836,353.25
  5. Step 5: Solve for x
    x = 909,836,353.25/33,261.60
  6. Step 6: Final answer
    x = 27,353.96

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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.