Home / 30,976.12-42,966.38-29,914.06

Finding the Fourth Proportional to 30,976.12, 42,966.38 and 29,914.06

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Solution

The fourth proportional to 30,976.12, 42,966.38 and 29,914.06 is: 41,493.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,976.12 : 42,966.38 = 29,914.06 : x
  2. Step 2: Convert to fraction form
    30,976.12/42,966.38 = 29,914.06/x
  3. Step 3: Cross multiply
    30,976.12x = 42,966.38 × 29,914.06
  4. Step 4: Simplify right side
    30,976.12x = 1,285,298,869.30
  5. Step 5: Solve for x
    x = 1,285,298,869.30/30,976.12
  6. Step 6: Final answer
    x = 41,493.22

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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.