Home / 39,471.42-54,469.92-21,566.04

Finding the Fourth Proportional to 39,471.42, 54,469.92 and 21,566.04

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Solution

The fourth proportional to 39,471.42, 54,469.92 and 21,566.04 is: 29,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,471.42 : 54,469.92 = 21,566.04 : x
  2. Step 2: Convert to fraction form
    39,471.42/54,469.92 = 21,566.04/x
  3. Step 3: Cross multiply
    39,471.42x = 54,469.92 × 21,566.04
  4. Step 4: Simplify right side
    39,471.42x = 1,174,700,093.34
  5. Step 5: Solve for x
    x = 1,174,700,093.34/39,471.42
  6. Step 6: Final answer
    x = 29,760.78

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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.