Home / 33,308.12-45,965.31-18,201.10

Finding the Fourth Proportional to 33,308.12, 45,965.31 and 18,201.10

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Solution

The fourth proportional to 33,308.12, 45,965.31 and 18,201.10 is: 25,117.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,308.12 : 45,965.31 = 18,201.10 : x
  2. Step 2: Convert to fraction form
    33,308.12/45,965.31 = 18,201.10/x
  3. Step 3: Cross multiply
    33,308.12x = 45,965.31 × 18,201.10
  4. Step 4: Simplify right side
    33,308.12x = 836,619,203.84
  5. Step 5: Solve for x
    x = 836,619,203.84/33,308.12
  6. Step 6: Final answer
    x = 25,117.58

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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.