Home / 33,310.24-45,920.48-20,554.88

Finding the Fourth Proportional to 33,310.24, 45,920.48 and 20,554.88

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Solution

The fourth proportional to 33,310.24, 45,920.48 and 20,554.88 is: 28,336.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,310.24 : 45,920.48 = 20,554.88 : x
  2. Step 2: Convert to fraction form
    33,310.24/45,920.48 = 20,554.88/x
  3. Step 3: Cross multiply
    33,310.24x = 45,920.48 × 20,554.88
  4. Step 4: Simplify right side
    33,310.24x = 943,889,955.94
  5. Step 5: Solve for x
    x = 943,889,955.94/33,310.24
  6. Step 6: Final answer
    x = 28,336.33

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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.