Home / 49,678.47-68,554.22-28,459.71

Finding the Fourth Proportional to 49,678.47, 68,554.22 and 28,459.71

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Solution

The fourth proportional to 49,678.47, 68,554.22 and 28,459.71 is: 39,273.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,678.47 : 68,554.22 = 28,459.71 : x
  2. Step 2: Convert to fraction form
    49,678.47/68,554.22 = 28,459.71/x
  3. Step 3: Cross multiply
    49,678.47x = 68,554.22 × 28,459.71
  4. Step 4: Simplify right side
    49,678.47x = 1,951,033,078.18
  5. Step 5: Solve for x
    x = 1,951,033,078.18/49,678.47
  6. Step 6: Final answer
    x = 39,273.21

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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.