Home / 51,815.60-71,493.92-30,583.48

Finding the Fourth Proportional to 51,815.60, 71,493.92 and 30,583.48

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Solution

The fourth proportional to 51,815.60, 71,493.92 and 30,583.48 is: 42,198.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,815.60 : 71,493.92 = 30,583.48 : x
  2. Step 2: Convert to fraction form
    51,815.60/71,493.92 = 30,583.48/x
  3. Step 3: Cross multiply
    51,815.60x = 71,493.92 × 30,583.48
  4. Step 4: Simplify right side
    51,815.60x = 2,186,532,872.44
  5. Step 5: Solve for x
    x = 2,186,532,872.44/51,815.60
  6. Step 6: Final answer
    x = 42,198.35

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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.