Home / 54,354.21-81,531.35-14,911.62

Finding the Fourth Proportional to 54,354.21, 81,531.35 and 14,911.62

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Solution

The fourth proportional to 54,354.21, 81,531.35 and 14,911.62 is: 22,367.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,354.21 : 81,531.35 = 14,911.62 : x
  2. Step 2: Convert to fraction form
    54,354.21/81,531.35 = 14,911.62/x
  3. Step 3: Cross multiply
    54,354.21x = 81,531.35 × 14,911.62
  4. Step 4: Simplify right side
    54,354.21x = 1,215,764,509.29
  5. Step 5: Solve for x
    x = 1,215,764,509.29/54,354.21
  6. Step 6: Final answer
    x = 22,367.44

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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.