Home / 38,163.72-52,660.92-21,167.76

Finding the Fourth Proportional to 38,163.72, 52,660.92 and 21,167.76

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Solution

The fourth proportional to 38,163.72, 52,660.92 and 21,167.76 is: 29,208.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,163.72 : 52,660.92 = 21,167.76 : x
  2. Step 2: Convert to fraction form
    38,163.72/52,660.92 = 21,167.76/x
  3. Step 3: Cross multiply
    38,163.72x = 52,660.92 × 21,167.76
  4. Step 4: Simplify right side
    38,163.72x = 1,114,713,715.94
  5. Step 5: Solve for x
    x = 1,114,713,715.94/38,163.72
  6. Step 6: Final answer
    x = 29,208.73

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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.