Home / 33,261.75-45,901.28-18,357.75

Finding the Fourth Proportional to 33,261.75, 45,901.28 and 18,357.75

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Solution

The fourth proportional to 33,261.75, 45,901.28 and 18,357.75 is: 25,333.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,261.75 : 45,901.28 = 18,357.75 : x
  2. Step 2: Convert to fraction form
    33,261.75/45,901.28 = 18,357.75/x
  3. Step 3: Cross multiply
    33,261.75x = 45,901.28 × 18,357.75
  4. Step 4: Simplify right side
    33,261.75x = 842,644,131.13
  5. Step 5: Solve for x
    x = 842,644,131.13/33,261.75
  6. Step 6: Final answer
    x = 25,333.73

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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.