Home / 49,636.24-68,492.06-28,128.47

Finding the Fourth Proportional to 49,636.24, 68,492.06 and 28,128.47

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Solution

The fourth proportional to 49,636.24, 68,492.06 and 28,128.47 is: 38,813.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,636.24 : 68,492.06 = 28,128.47 : x
  2. Step 2: Convert to fraction form
    49,636.24/68,492.06 = 28,128.47/x
  3. Step 3: Cross multiply
    49,636.24x = 68,492.06 × 28,128.47
  4. Step 4: Simplify right side
    49,636.24x = 1,926,576,398.22
  5. Step 5: Solve for x
    x = 1,926,576,398.22/49,636.24
  6. Step 6: Final answer
    x = 38,813.90

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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.