Home / 57,137.25-78,849.41-31,986.93

Finding the Fourth Proportional to 57,137.25, 78,849.41 and 31,986.93

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Solution

The fourth proportional to 57,137.25, 78,849.41 and 31,986.93 is: 44,141.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,137.25 : 78,849.41 = 31,986.93 : x
  2. Step 2: Convert to fraction form
    57,137.25/78,849.41 = 31,986.93/x
  3. Step 3: Cross multiply
    57,137.25x = 78,849.41 × 31,986.93
  4. Step 4: Simplify right side
    57,137.25x = 2,522,150,398.28
  5. Step 5: Solve for x
    x = 2,522,150,398.28/57,137.25
  6. Step 6: Final answer
    x = 44,141.96

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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.