Home / 30,406.64-41,961.84-19,076.60

Finding the Fourth Proportional to 30,406.64, 41,961.84 and 19,076.60

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Solution

The fourth proportional to 30,406.64, 41,961.84 and 19,076.60 is: 26,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,406.64 : 41,961.84 = 19,076.60 : x
  2. Step 2: Convert to fraction form
    30,406.64/41,961.84 = 19,076.60/x
  3. Step 3: Cross multiply
    30,406.64x = 41,961.84 × 19,076.60
  4. Step 4: Simplify right side
    30,406.64x = 800,489,236.94
  5. Step 5: Solve for x
    x = 800,489,236.94/30,406.64
  6. Step 6: Final answer
    x = 26,326.13

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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.