Home / 30,355.20-41,842.31-22,790.61

Finding the Fourth Proportional to 30,355.20, 41,842.31 and 22,790.61

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Solution

The fourth proportional to 30,355.20, 41,842.31 and 22,790.61 is: 31,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,355.20 : 41,842.31 = 22,790.61 : x
  2. Step 2: Convert to fraction form
    30,355.20/41,842.31 = 22,790.61/x
  3. Step 3: Cross multiply
    30,355.20x = 41,842.31 × 22,790.61
  4. Step 4: Simplify right side
    30,355.20x = 953,611,654.76
  5. Step 5: Solve for x
    x = 953,611,654.76/30,355.20
  6. Step 6: Final answer
    x = 31,415.10

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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.