Home / 48,687.24-67,189.26-28,558.64

Finding the Fourth Proportional to 48,687.24, 67,189.26 and 28,558.64

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Solution

The fourth proportional to 48,687.24, 67,189.26 and 28,558.64 is: 39,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,687.24 : 67,189.26 = 28,558.64 : x
  2. Step 2: Convert to fraction form
    48,687.24/67,189.26 = 28,558.64/x
  3. Step 3: Cross multiply
    48,687.24x = 67,189.26 × 28,558.64
  4. Step 4: Simplify right side
    48,687.24x = 1,918,834,163.27
  5. Step 5: Solve for x
    x = 1,918,834,163.27/48,687.24
  6. Step 6: Final answer
    x = 39,411.44

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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.