Home / 54,986.44-75,861.48-31,112.86

Finding the Fourth Proportional to 54,986.44, 75,861.48 and 31,112.86

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Solution

The fourth proportional to 54,986.44, 75,861.48 and 31,112.86 is: 42,924.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,986.44 : 75,861.48 = 31,112.86 : x
  2. Step 2: Convert to fraction form
    54,986.44/75,861.48 = 31,112.86/x
  3. Step 3: Cross multiply
    54,986.44x = 75,861.48 × 31,112.86
  4. Step 4: Simplify right side
    54,986.44x = 2,360,267,606.63
  5. Step 5: Solve for x
    x = 2,360,267,606.63/54,986.44
  6. Step 6: Final answer
    x = 42,924.54

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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.