Home / 49,810.67-68,738.75-28,300.45

Finding the Fourth Proportional to 49,810.67, 68,738.75 and 28,300.45

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Solution

The fourth proportional to 49,810.67, 68,738.75 and 28,300.45 is: 39,054.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,810.67 : 68,738.75 = 28,300.45 : x
  2. Step 2: Convert to fraction form
    49,810.67/68,738.75 = 28,300.45/x
  3. Step 3: Cross multiply
    49,810.67x = 68,738.75 × 28,300.45
  4. Step 4: Simplify right side
    49,810.67x = 1,945,337,557.44
  5. Step 5: Solve for x
    x = 1,945,337,557.44/49,810.67
  6. Step 6: Final answer
    x = 39,054.64

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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.