Home / 33,640.18-50,461.65-12,578.09

Finding the Fourth Proportional to 33,640.18, 50,461.65 and 12,578.09

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Solution

The fourth proportional to 33,640.18, 50,461.65 and 12,578.09 is: 18,867.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,640.18 : 50,461.65 = 12,578.09 : x
  2. Step 2: Convert to fraction form
    33,640.18/50,461.65 = 12,578.09/x
  3. Step 3: Cross multiply
    33,640.18x = 50,461.65 × 12,578.09
  4. Step 4: Simplify right side
    33,640.18x = 634,710,922.94
  5. Step 5: Solve for x
    x = 634,710,922.94/33,640.18
  6. Step 6: Final answer
    x = 18,867.64

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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.