Home / 43,040.54-59,379.30-31,736.78

Finding the Fourth Proportional to 43,040.54, 59,379.30 and 31,736.78

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Solution

The fourth proportional to 43,040.54, 59,379.30 and 31,736.78 is: 43,784.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,040.54 : 59,379.30 = 31,736.78 : x
  2. Step 2: Convert to fraction form
    43,040.54/59,379.30 = 31,736.78/x
  3. Step 3: Cross multiply
    43,040.54x = 59,379.30 × 31,736.78
  4. Step 4: Simplify right side
    43,040.54x = 1,884,507,780.65
  5. Step 5: Solve for x
    x = 1,884,507,780.65/43,040.54
  6. Step 6: Final answer
    x = 43,784.48

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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.