Home / 38,163.66-52,669.09-21,173.37

Finding the Fourth Proportional to 38,163.66, 52,669.09 and 21,173.37

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Solution

The fourth proportional to 38,163.66, 52,669.09 and 21,173.37 is: 29,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,163.66 : 52,669.09 = 21,173.37 : x
  2. Step 2: Convert to fraction form
    38,163.66/52,669.09 = 21,173.37/x
  3. Step 3: Cross multiply
    38,163.66x = 52,669.09 × 21,173.37
  4. Step 4: Simplify right side
    38,163.66x = 1,115,182,024.27
  5. Step 5: Solve for x
    x = 1,115,182,024.27/38,163.66
  6. Step 6: Final answer
    x = 29,221.04

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1.5x scale

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.