Home / 69,936.60-104,948.64-28,383.60

Finding the Fourth Proportional to 69,936.60, 104,948.64 and 28,383.60

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Solution

The fourth proportional to 69,936.60, 104,948.64 and 28,383.60 is: 42,593.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,936.60 : 104,948.64 = 28,383.60 : x
  2. Step 2: Convert to fraction form
    69,936.60/104,948.64 = 28,383.60/x
  3. Step 3: Cross multiply
    69,936.60x = 104,948.64 × 28,383.60
  4. Step 4: Simplify right side
    69,936.60x = 2,978,820,218.30
  5. Step 5: Solve for x
    x = 2,978,820,218.30/69,936.60
  6. Step 6: Final answer
    x = 42,593.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.