Home / 45,689.31-68,519.39-14,517.27

Finding the Fourth Proportional to 45,689.31, 68,519.39 and 14,517.27

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Solution

The fourth proportional to 45,689.31, 68,519.39 and 14,517.27 is: 21,771.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,689.31 : 68,519.39 = 14,517.27 : x
  2. Step 2: Convert to fraction form
    45,689.31/68,519.39 = 14,517.27/x
  3. Step 3: Cross multiply
    45,689.31x = 68,519.39 × 14,517.27
  4. Step 4: Simplify right side
    45,689.31x = 994,714,412.28
  5. Step 5: Solve for x
    x = 994,714,412.28/45,689.31
  6. Step 6: Final answer
    x = 21,771.27

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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.