Home / 33,081.21-49,685.64-28,348.10

Finding the Fourth Proportional to 33,081.21, 49,685.64 and 28,348.10

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Solution

The fourth proportional to 33,081.21, 49,685.64 and 28,348.10 is: 42,576.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,081.21 : 49,685.64 = 28,348.10 : x
  2. Step 2: Convert to fraction form
    33,081.21/49,685.64 = 28,348.10/x
  3. Step 3: Cross multiply
    33,081.21x = 49,685.64 × 28,348.10
  4. Step 4: Simplify right side
    33,081.21x = 1,408,493,101.12
  5. Step 5: Solve for x
    x = 1,408,493,101.12/33,081.21
  6. Step 6: Final answer
    x = 42,576.84

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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.