Home / 69,808.06-104,712.38-21,777.26

Finding the Fourth Proportional to 69,808.06, 104,712.38 and 21,777.26

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Solution

The fourth proportional to 69,808.06, 104,712.38 and 21,777.26 is: 32,665.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,808.06 : 104,712.38 = 21,777.26 : x
  2. Step 2: Convert to fraction form
    69,808.06/104,712.38 = 21,777.26/x
  3. Step 3: Cross multiply
    69,808.06x = 104,712.38 × 21,777.26
  4. Step 4: Simplify right side
    69,808.06x = 2,280,348,724.48
  5. Step 5: Solve for x
    x = 2,280,348,724.48/69,808.06
  6. Step 6: Final answer
    x = 32,665.98

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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.