Home / 43,403.94-59,879.82-28,291.32

Finding the Fourth Proportional to 43,403.94, 59,879.82 and 28,291.32

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Solution

The fourth proportional to 43,403.94, 59,879.82 and 28,291.32 is: 39,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,403.94 : 59,879.82 = 28,291.32 : x
  2. Step 2: Convert to fraction form
    43,403.94/59,879.82 = 28,291.32/x
  3. Step 3: Cross multiply
    43,403.94x = 59,879.82 × 28,291.32
  4. Step 4: Simplify right side
    43,403.94x = 1,694,079,149.16
  5. Step 5: Solve for x
    x = 1,694,079,149.16/43,403.94
  6. Step 6: Final answer
    x = 39,030.54

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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.