Home / 30,382.27-41,920.80-17,628.06

Finding the Fourth Proportional to 30,382.27, 41,920.80 and 17,628.06

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Solution

The fourth proportional to 30,382.27, 41,920.80 and 17,628.06 is: 24,322.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,382.27 : 41,920.80 = 17,628.06 : x
  2. Step 2: Convert to fraction form
    30,382.27/41,920.80 = 17,628.06/x
  3. Step 3: Cross multiply
    30,382.27x = 41,920.80 × 17,628.06
  4. Step 4: Simplify right side
    30,382.27x = 738,982,377.65
  5. Step 5: Solve for x
    x = 738,982,377.65/30,382.27
  6. Step 6: Final answer
    x = 24,322.82

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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.