Home / 21,233.15-31,850.44-5,650.79

Finding the Fourth Proportional to 21,233.15, 31,850.44 and 5,650.79

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Solution

The fourth proportional to 21,233.15, 31,850.44 and 5,650.79 is: 8,476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,233.15 : 31,850.44 = 5,650.79 : x
  2. Step 2: Convert to fraction form
    21,233.15/31,850.44 = 5,650.79/x
  3. Step 3: Cross multiply
    21,233.15x = 31,850.44 × 5,650.79
  4. Step 4: Simplify right side
    21,233.15x = 179,979,960.34
  5. Step 5: Solve for x
    x = 179,979,960.34/21,233.15
  6. Step 6: Final answer
    x = 8,476.37

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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.