Home / 49,362.21-68,118.17-28,148.31

Finding the Fourth Proportional to 49,362.21, 68,118.17 and 28,148.31

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Solution

The fourth proportional to 49,362.21, 68,118.17 and 28,148.31 is: 38,843.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,362.21 : 68,118.17 = 28,148.31 : x
  2. Step 2: Convert to fraction form
    49,362.21/68,118.17 = 28,148.31/x
  3. Step 3: Cross multiply
    49,362.21x = 68,118.17 × 28,148.31
  4. Step 4: Simplify right side
    49,362.21x = 1,917,411,225.05
  5. Step 5: Solve for x
    x = 1,917,411,225.05/49,362.21
  6. Step 6: Final answer
    x = 38,843.71

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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.