Home / 33,628.58-50,446.53-12,578.72

Finding the Fourth Proportional to 33,628.58, 50,446.53 and 12,578.72

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Solution

The fourth proportional to 33,628.58, 50,446.53 and 12,578.72 is: 18,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,628.58 : 50,446.53 = 12,578.72 : x
  2. Step 2: Convert to fraction form
    33,628.58/50,446.53 = 12,578.72/x
  3. Step 3: Cross multiply
    33,628.58x = 50,446.53 × 12,578.72
  4. Step 4: Simplify right side
    33,628.58x = 634,552,775.84
  5. Step 5: Solve for x
    x = 634,552,775.84/33,628.58
  6. Step 6: Final answer
    x = 18,869.45

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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.