Home / 33,431.33-50,146.59-8,130.98

Finding the Fourth Proportional to 33,431.33, 50,146.59 and 8,130.98

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Solution

The fourth proportional to 33,431.33, 50,146.59 and 8,130.98 is: 12,196.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,431.33 : 50,146.59 = 8,130.98 : x
  2. Step 2: Convert to fraction form
    33,431.33/50,146.59 = 8,130.98/x
  3. Step 3: Cross multiply
    33,431.33x = 50,146.59 × 8,130.98
  4. Step 4: Simplify right side
    33,431.33x = 407,740,920.36
  5. Step 5: Solve for x
    x = 407,740,920.36/33,431.33
  6. Step 6: Final answer
    x = 12,196.37

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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.