Home / 48,571.88-67,029.19-28,427.78

Finding the Fourth Proportional to 48,571.88, 67,029.19 and 28,427.78

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Solution

The fourth proportional to 48,571.88, 67,029.19 and 28,427.78 is: 39,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,571.88 : 67,029.19 = 28,427.78 : x
  2. Step 2: Convert to fraction form
    48,571.88/67,029.19 = 28,427.78/x
  3. Step 3: Cross multiply
    48,571.88x = 67,029.19 × 28,427.78
  4. Step 4: Simplify right side
    48,571.88x = 1,905,491,163.40
  5. Step 5: Solve for x
    x = 1,905,491,163.40/48,571.88
  6. Step 6: Final answer
    x = 39,230.34

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1.5x scale

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.