Home / 49,365.18-68,102.31-28,936.89

Finding the Fourth Proportional to 49,365.18, 68,102.31 and 28,936.89

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Solution

The fourth proportional to 49,365.18, 68,102.31 and 28,936.89 is: 39,920.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,365.18 : 68,102.31 = 28,936.89 : x
  2. Step 2: Convert to fraction form
    49,365.18/68,102.31 = 28,936.89/x
  3. Step 3: Cross multiply
    49,365.18x = 68,102.31 × 28,936.89
  4. Step 4: Simplify right side
    49,365.18x = 1,970,669,053.22
  5. Step 5: Solve for x
    x = 1,970,669,053.22/49,365.18
  6. Step 6: Final answer
    x = 39,920.22

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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.