Home / 50,745.26-76,139.76-21,168.92

Finding the Fourth Proportional to 50,745.26, 76,139.76 and 21,168.92

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Solution

The fourth proportional to 50,745.26, 76,139.76 and 21,168.92 is: 31,762.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,745.26 : 76,139.76 = 21,168.92 : x
  2. Step 2: Convert to fraction form
    50,745.26/76,139.76 = 21,168.92/x
  3. Step 3: Cross multiply
    50,745.26x = 76,139.76 × 21,168.92
  4. Step 4: Simplify right side
    50,745.26x = 1,611,796,488.26
  5. Step 5: Solve for x
    x = 1,611,796,488.26/50,745.26
  6. Step 6: Final answer
    x = 31,762.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.