Home / 57,058-78,741.84-31,907.44

Finding the Fourth Proportional to 57,058, 78,741.84 and 31,907.44

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Solution

The fourth proportional to 57,058, 78,741.84 and 31,907.44 is: 44,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,058 : 78,741.84 = 31,907.44 : x
  2. Step 2: Convert to fraction form
    57,058/78,741.84 = 31,907.44/x
  3. Step 3: Cross multiply
    57,058x = 78,741.84 × 31,907.44
  4. Step 4: Simplify right side
    57,058x = 2,512,450,535.29
  5. Step 5: Solve for x
    x = 2,512,450,535.29/57,058
  6. Step 6: Final answer
    x = 44,033.27

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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.