Home / 49,017.24-67,632-28,872.54

Finding the Fourth Proportional to 49,017.24, 67,632 and 28,872.54

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Solution

The fourth proportional to 49,017.24, 67,632 and 28,872.54 is: 39,837.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,017.24 : 67,632 = 28,872.54 : x
  2. Step 2: Convert to fraction form
    49,017.24/67,632 = 28,872.54/x
  3. Step 3: Cross multiply
    49,017.24x = 67,632 × 28,872.54
  4. Step 4: Simplify right side
    49,017.24x = 1,952,707,625.28
  5. Step 5: Solve for x
    x = 1,952,707,625.28/49,017.24
  6. Step 6: Final answer
    x = 39,837.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.