Home / 57,137.80-78,889.13-35,635.95

Finding the Fourth Proportional to 57,137.80, 78,889.13 and 35,635.95

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Solution

The fourth proportional to 57,137.80, 78,889.13 and 35,635.95 is: 49,201.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,137.80 : 78,889.13 = 35,635.95 : x
  2. Step 2: Convert to fraction form
    57,137.80/78,889.13 = 35,635.95/x
  3. Step 3: Cross multiply
    57,137.80x = 78,889.13 × 35,635.95
  4. Step 4: Simplify right side
    57,137.80x = 2,811,289,092.22
  5. Step 5: Solve for x
    x = 2,811,289,092.22/57,137.80
  6. Step 6: Final answer
    x = 49,201.91

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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.