Home / 52,107.77-71,912.29-31,697.82

Finding the Fourth Proportional to 52,107.77, 71,912.29 and 31,697.82

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Solution

The fourth proportional to 52,107.77, 71,912.29 and 31,697.82 is: 43,745.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,107.77 : 71,912.29 = 31,697.82 : x
  2. Step 2: Convert to fraction form
    52,107.77/71,912.29 = 31,697.82/x
  3. Step 3: Cross multiply
    52,107.77x = 71,912.29 × 31,697.82
  4. Step 4: Simplify right side
    52,107.77x = 2,279,462,744.96
  5. Step 5: Solve for x
    x = 2,279,462,744.96/52,107.77
  6. Step 6: Final answer
    x = 43,745.16

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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.