Home / 49,619.37-68,476.05-28,405.47

Finding the Fourth Proportional to 49,619.37, 68,476.05 and 28,405.47

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Solution

The fourth proportional to 49,619.37, 68,476.05 and 28,405.47 is: 39,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,619.37 : 68,476.05 = 28,405.47 : x
  2. Step 2: Convert to fraction form
    49,619.37/68,476.05 = 28,405.47/x
  3. Step 3: Cross multiply
    49,619.37x = 68,476.05 × 28,405.47
  4. Step 4: Simplify right side
    49,619.37x = 1,945,094,383.99
  5. Step 5: Solve for x
    x = 1,945,094,383.99/49,619.37
  6. Step 6: Final answer
    x = 39,200.30

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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.