Home / 20,506.88-30,734.94-14,574.31

Finding the Fourth Proportional to 20,506.88, 30,734.94 and 14,574.31

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Solution

The fourth proportional to 20,506.88, 30,734.94 and 14,574.31 is: 21,843.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,506.88 : 30,734.94 = 14,574.31 : x
  2. Step 2: Convert to fraction form
    20,506.88/30,734.94 = 14,574.31/x
  3. Step 3: Cross multiply
    20,506.88x = 30,734.94 × 14,574.31
  4. Step 4: Simplify right side
    20,506.88x = 447,940,543.39
  5. Step 5: Solve for x
    x = 447,940,543.39/20,506.88
  6. Step 6: Final answer
    x = 21,843.43

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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.