Home / 33,308.90-45,965.48-18,201.60

Finding the Fourth Proportional to 33,308.90, 45,965.48 and 18,201.60

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Solution

The fourth proportional to 33,308.90, 45,965.48 and 18,201.60 is: 25,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,308.90 : 45,965.48 = 18,201.60 : x
  2. Step 2: Convert to fraction form
    33,308.90/45,965.48 = 18,201.60/x
  3. Step 3: Cross multiply
    33,308.90x = 45,965.48 × 18,201.60
  4. Step 4: Simplify right side
    33,308.90x = 836,645,280.77
  5. Step 5: Solve for x
    x = 836,645,280.77/33,308.90
  6. Step 6: Final answer
    x = 25,117.77

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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.