Home / 33,080.76-45,653.49-18,933.30

Finding the Fourth Proportional to 33,080.76, 45,653.49 and 18,933.30

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Solution

The fourth proportional to 33,080.76, 45,653.49 and 18,933.30 is: 26,129.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,080.76 : 45,653.49 = 18,933.30 : x
  2. Step 2: Convert to fraction form
    33,080.76/45,653.49 = 18,933.30/x
  3. Step 3: Cross multiply
    33,080.76x = 45,653.49 × 18,933.30
  4. Step 4: Simplify right side
    33,080.76x = 864,371,222.22
  5. Step 5: Solve for x
    x = 864,371,222.22/33,080.76
  6. Step 6: Final answer
    x = 26,129.12

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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.