Home / 49,071.84-67,718.04-28,657.44

Finding the Fourth Proportional to 49,071.84, 67,718.04 and 28,657.44

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Solution

The fourth proportional to 49,071.84, 67,718.04 and 28,657.44 is: 39,546.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,071.84 : 67,718.04 = 28,657.44 : x
  2. Step 2: Convert to fraction form
    49,071.84/67,718.04 = 28,657.44/x
  3. Step 3: Cross multiply
    49,071.84x = 67,718.04 × 28,657.44
  4. Step 4: Simplify right side
    49,071.84x = 1,940,625,668.22
  5. Step 5: Solve for x
    x = 1,940,625,668.22/49,071.84
  6. Step 6: Final answer
    x = 39,546.63

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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.