Home / 30,843.06-42,561.09-17,412.45

Finding the Fourth Proportional to 30,843.06, 42,561.09 and 17,412.45

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Solution

The fourth proportional to 30,843.06, 42,561.09 and 17,412.45 is: 24,027.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,843.06 : 42,561.09 = 17,412.45 : x
  2. Step 2: Convert to fraction form
    30,843.06/42,561.09 = 17,412.45/x
  3. Step 3: Cross multiply
    30,843.06x = 42,561.09 × 17,412.45
  4. Step 4: Simplify right side
    30,843.06x = 741,092,851.57
  5. Step 5: Solve for x
    x = 741,092,851.57/30,843.06
  6. Step 6: Final answer
    x = 24,027.86

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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.