Home / 33,079.24-49,567-28,128.52

Finding the Fourth Proportional to 33,079.24, 49,567 and 28,128.52

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Solution

The fourth proportional to 33,079.24, 49,567 and 28,128.52 is: 42,148.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,079.24 : 49,567 = 28,128.52 : x
  2. Step 2: Convert to fraction form
    33,079.24/49,567 = 28,128.52/x
  3. Step 3: Cross multiply
    33,079.24x = 49,567 × 28,128.52
  4. Step 4: Simplify right side
    33,079.24x = 1,394,246,350.84
  5. Step 5: Solve for x
    x = 1,394,246,350.84/33,079.24
  6. Step 6: Final answer
    x = 42,148.68

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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.