Home / 33,245.52-45,878.16-18,138.24

Finding the Fourth Proportional to 33,245.52, 45,878.16 and 18,138.24

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Solution

The fourth proportional to 33,245.52, 45,878.16 and 18,138.24 is: 25,030.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,245.52 : 45,878.16 = 18,138.24 : x
  2. Step 2: Convert to fraction form
    33,245.52/45,878.16 = 18,138.24/x
  3. Step 3: Cross multiply
    33,245.52x = 45,878.16 × 18,138.24
  4. Step 4: Simplify right side
    33,245.52x = 832,149,076.84
  5. Step 5: Solve for x
    x = 832,149,076.84/33,245.52
  6. Step 6: Final answer
    x = 25,030.41

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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.