Home / 33,638.72-50,467.19-12,580.91

Finding the Fourth Proportional to 33,638.72, 50,467.19 and 12,580.91

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Solution

The fourth proportional to 33,638.72, 50,467.19 and 12,580.91 is: 18,874.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,638.72 : 50,467.19 = 12,580.91 : x
  2. Step 2: Convert to fraction form
    33,638.72/50,467.19 = 12,580.91/x
  3. Step 3: Cross multiply
    33,638.72x = 50,467.19 × 12,580.91
  4. Step 4: Simplify right side
    33,638.72x = 634,922,954.46
  5. Step 5: Solve for x
    x = 634,922,954.46/33,638.72
  6. Step 6: Final answer
    x = 18,874.76

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1.5x scale

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.