Home / 57,257.44-79,015.46-31,764.31

Finding the Fourth Proportional to 57,257.44, 79,015.46 and 31,764.31

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Solution

The fourth proportional to 57,257.44, 79,015.46 and 31,764.31 is: 43,834.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,257.44 : 79,015.46 = 31,764.31 : x
  2. Step 2: Convert to fraction form
    57,257.44/79,015.46 = 31,764.31/x
  3. Step 3: Cross multiply
    57,257.44x = 79,015.46 × 31,764.31
  4. Step 4: Simplify right side
    57,257.44x = 2,509,871,566.23
  5. Step 5: Solve for x
    x = 2,509,871,566.23/57,257.44
  6. Step 6: Final answer
    x = 43,834.85

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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.