Home / 33,205.10-49,807.65-12,425.90

Finding the Fourth Proportional to 33,205.10, 49,807.65 and 12,425.90

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Solution

The fourth proportional to 33,205.10, 49,807.65 and 12,425.90 is: 18,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,205.10 : 49,807.65 = 12,425.90 : x
  2. Step 2: Convert to fraction form
    33,205.10/49,807.65 = 12,425.90/x
  3. Step 3: Cross multiply
    33,205.10x = 49,807.65 × 12,425.90
  4. Step 4: Simplify right side
    33,205.10x = 618,904,878.14
  5. Step 5: Solve for x
    x = 618,904,878.14/33,205.10
  6. Step 6: Final answer
    x = 18,638.85

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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.