Home / 33,220.64-45,844.48-18,316.64

Finding the Fourth Proportional to 33,220.64, 45,844.48 and 18,316.64

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Solution

The fourth proportional to 33,220.64, 45,844.48 and 18,316.64 is: 25,276.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220.64 : 45,844.48 = 18,316.64 : x
  2. Step 2: Convert to fraction form
    33,220.64/45,844.48 = 18,316.64/x
  3. Step 3: Cross multiply
    33,220.64x = 45,844.48 × 18,316.64
  4. Step 4: Simplify right side
    33,220.64x = 839,716,836.15
  5. Step 5: Solve for x
    x = 839,716,836.15/33,220.64
  6. Step 6: Final answer
    x = 25,276.96

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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.