Home / 33,078.45-49,681.50-28,345.34

Finding the Fourth Proportional to 33,078.45, 49,681.50 and 28,345.34

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Solution

The fourth proportional to 33,078.45, 49,681.50 and 28,345.34 is: 42,572.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,078.45 : 49,681.50 = 28,345.34 : x
  2. Step 2: Convert to fraction form
    33,078.45/49,681.50 = 28,345.34/x
  3. Step 3: Cross multiply
    33,078.45x = 49,681.50 × 28,345.34
  4. Step 4: Simplify right side
    33,078.45x = 1,408,239,186.56
  5. Step 5: Solve for x
    x = 1,408,239,186.56/33,078.45
  6. Step 6: Final answer
    x = 42,572.71

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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.