Home / 30,610.09-42,241.88-17,181.36

Finding the Fourth Proportional to 30,610.09, 42,241.88 and 17,181.36

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Solution

The fourth proportional to 30,610.09, 42,241.88 and 17,181.36 is: 23,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,610.09 : 42,241.88 = 17,181.36 : x
  2. Step 2: Convert to fraction form
    30,610.09/42,241.88 = 17,181.36/x
  3. Step 3: Cross multiply
    30,610.09x = 42,241.88 × 17,181.36
  4. Step 4: Simplify right side
    30,610.09x = 725,772,990.31
  5. Step 5: Solve for x
    x = 725,772,990.31/30,610.09
  6. Step 6: Final answer
    x = 23,710.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.