Home / 34,578.69-51,872.58-12,394.59

Finding the Fourth Proportional to 34,578.69, 51,872.58 and 12,394.59

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Solution

The fourth proportional to 34,578.69, 51,872.58 and 12,394.59 is: 18,593.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,578.69 : 51,872.58 = 12,394.59 : x
  2. Step 2: Convert to fraction form
    34,578.69/51,872.58 = 12,394.59/x
  3. Step 3: Cross multiply
    34,578.69x = 51,872.58 × 12,394.59
  4. Step 4: Simplify right side
    34,578.69x = 642,939,361.34
  5. Step 5: Solve for x
    x = 642,939,361.34/34,578.69
  6. Step 6: Final answer
    x = 18,593.51

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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.