Home / 34,830.14-52,245.07-12,643.43

Finding the Fourth Proportional to 34,830.14, 52,245.07 and 12,643.43

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Solution

The fourth proportional to 34,830.14, 52,245.07 and 12,643.43 is: 18,965.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,830.14 : 52,245.07 = 12,643.43 : x
  2. Step 2: Convert to fraction form
    34,830.14/52,245.07 = 12,643.43/x
  3. Step 3: Cross multiply
    34,830.14x = 52,245.07 × 12,643.43
  4. Step 4: Simplify right side
    34,830.14x = 660,556,592.56
  5. Step 5: Solve for x
    x = 660,556,592.56/34,830.14
  6. Step 6: Final answer
    x = 18,965.09

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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.