Home / 50,861.21-76,278.15-21,272.93

Finding the Fourth Proportional to 50,861.21, 76,278.15 and 21,272.93

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Solution

The fourth proportional to 50,861.21, 76,278.15 and 21,272.93 is: 31,903.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,861.21 : 76,278.15 = 21,272.93 : x
  2. Step 2: Convert to fraction form
    50,861.21/76,278.15 = 21,272.93/x
  3. Step 3: Cross multiply
    50,861.21x = 76,278.15 × 21,272.93
  4. Step 4: Simplify right side
    50,861.21x = 1,622,659,745.48
  5. Step 5: Solve for x
    x = 1,622,659,745.48/50,861.21
  6. Step 6: Final answer
    x = 31,903.68

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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.