Home / 55,571.44-76,687.68-31,698.04

Finding the Fourth Proportional to 55,571.44, 76,687.68 and 31,698.04

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Solution

The fourth proportional to 55,571.44, 76,687.68 and 31,698.04 is: 43,742.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,571.44 : 76,687.68 = 31,698.04 : x
  2. Step 2: Convert to fraction form
    55,571.44/76,687.68 = 31,698.04/x
  3. Step 3: Cross multiply
    55,571.44x = 76,687.68 × 31,698.04
  4. Step 4: Simplify right side
    55,571.44x = 2,430,849,148.15
  5. Step 5: Solve for x
    x = 2,430,849,148.15/55,571.44
  6. Step 6: Final answer
    x = 43,742.78

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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.