Home / 30,142.16-41,634.96-23,154.56

Finding the Fourth Proportional to 30,142.16, 41,634.96 and 23,154.56

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Solution

The fourth proportional to 30,142.16, 41,634.96 and 23,154.56 is: 31,983.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,142.16 : 41,634.96 = 23,154.56 : x
  2. Step 2: Convert to fraction form
    30,142.16/41,634.96 = 23,154.56/x
  3. Step 3: Cross multiply
    30,142.16x = 41,634.96 × 23,154.56
  4. Step 4: Simplify right side
    30,142.16x = 964,039,179.42
  5. Step 5: Solve for x
    x = 964,039,179.42/30,142.16
  6. Step 6: Final answer
    x = 31,983.08

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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.