Home / 54,651.04-81,960.36-23,479

Finding the Fourth Proportional to 54,651.04, 81,960.36 and 23,479

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Solution

The fourth proportional to 54,651.04, 81,960.36 and 23,479 is: 35,211.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,651.04 : 81,960.36 = 23,479 : x
  2. Step 2: Convert to fraction form
    54,651.04/81,960.36 = 23,479/x
  3. Step 3: Cross multiply
    54,651.04x = 81,960.36 × 23,479
  4. Step 4: Simplify right side
    54,651.04x = 1,924,347,292.44
  5. Step 5: Solve for x
    x = 1,924,347,292.44/54,651.04
  6. Step 6: Final answer
    x = 35,211.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.