Home / 49,689.32-68,583.44-28,191.65

Finding the Fourth Proportional to 49,689.32, 68,583.44 and 28,191.65

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Solution

The fourth proportional to 49,689.32, 68,583.44 and 28,191.65 is: 38,911.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,689.32 : 68,583.44 = 28,191.65 : x
  2. Step 2: Convert to fraction form
    49,689.32/68,583.44 = 28,191.65/x
  3. Step 3: Cross multiply
    49,689.32x = 68,583.44 × 28,191.65
  4. Step 4: Simplify right side
    49,689.32x = 1,933,480,578.21
  5. Step 5: Solve for x
    x = 1,933,480,578.21/49,689.32
  6. Step 6: Final answer
    x = 38,911.39

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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.