Home / 31,714.63-43,756.26-18,284.07

Finding the Fourth Proportional to 31,714.63, 43,756.26 and 18,284.07

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Solution

The fourth proportional to 31,714.63, 43,756.26 and 18,284.07 is: 25,226.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,714.63 : 43,756.26 = 18,284.07 : x
  2. Step 2: Convert to fraction form
    31,714.63/43,756.26 = 18,284.07/x
  3. Step 3: Cross multiply
    31,714.63x = 43,756.26 × 18,284.07
  4. Step 4: Simplify right side
    31,714.63x = 800,042,520.78
  5. Step 5: Solve for x
    x = 800,042,520.78/31,714.63
  6. Step 6: Final answer
    x = 25,226.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.