Home / 49,182.80-67,878.36-30,058.64

Finding the Fourth Proportional to 49,182.80, 67,878.36 and 30,058.64

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Solution

The fourth proportional to 49,182.80, 67,878.36 and 30,058.64 is: 41,484.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,182.80 : 67,878.36 = 30,058.64 : x
  2. Step 2: Convert to fraction form
    49,182.80/67,878.36 = 30,058.64/x
  3. Step 3: Cross multiply
    49,182.80x = 67,878.36 × 30,058.64
  4. Step 4: Simplify right side
    49,182.80x = 2,040,331,187.03
  5. Step 5: Solve for x
    x = 2,040,331,187.03/49,182.80
  6. Step 6: Final answer
    x = 41,484.65

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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.