Home / 50,765.07-76,090.97-21,173.07

Finding the Fourth Proportional to 50,765.07, 76,090.97 and 21,173.07

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Solution

The fourth proportional to 50,765.07, 76,090.97 and 21,173.07 is: 31,735.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,765.07 : 76,090.97 = 21,173.07 : x
  2. Step 2: Convert to fraction form
    50,765.07/76,090.97 = 21,173.07/x
  3. Step 3: Cross multiply
    50,765.07x = 76,090.97 × 21,173.07
  4. Step 4: Simplify right side
    50,765.07x = 1,611,079,328.31
  5. Step 5: Solve for x
    x = 1,611,079,328.31/50,765.07
  6. Step 6: Final answer
    x = 31,735.98

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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.