Home / 30,825.42-42,539.16-16,678.26

Finding the Fourth Proportional to 30,825.42, 42,539.16 and 16,678.26

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Solution

The fourth proportional to 30,825.42, 42,539.16 and 16,678.26 is: 23,016.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,825.42 : 42,539.16 = 16,678.26 : x
  2. Step 2: Convert to fraction form
    30,825.42/42,539.16 = 16,678.26/x
  3. Step 3: Cross multiply
    30,825.42x = 42,539.16 × 16,678.26
  4. Step 4: Simplify right side
    30,825.42x = 709,479,170.66
  5. Step 5: Solve for x
    x = 709,479,170.66/30,825.42
  6. Step 6: Final answer
    x = 23,016.04

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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.