Home / 55,521.84-76,620.24-30,371.34

Finding the Fourth Proportional to 55,521.84, 76,620.24 and 30,371.34

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Solution

The fourth proportional to 55,521.84, 76,620.24 and 30,371.34 is: 41,912.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,521.84 : 76,620.24 = 30,371.34 : x
  2. Step 2: Convert to fraction form
    55,521.84/76,620.24 = 30,371.34/x
  3. Step 3: Cross multiply
    55,521.84x = 76,620.24 × 30,371.34
  4. Step 4: Simplify right side
    55,521.84x = 2,327,059,359.92
  5. Step 5: Solve for x
    x = 2,327,059,359.92/55,521.84
  6. Step 6: Final answer
    x = 41,912.50

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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.