Home / 39,469.09-54,471.09-21,566.79

Finding the Fourth Proportional to 39,469.09, 54,471.09 and 21,566.79

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Solution

The fourth proportional to 39,469.09, 54,471.09 and 21,566.79 is: 29,764.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,469.09 : 54,471.09 = 21,566.79 : x
  2. Step 2: Convert to fraction form
    39,469.09/54,471.09 = 21,566.79/x
  3. Step 3: Cross multiply
    39,469.09x = 54,471.09 × 21,566.79
  4. Step 4: Simplify right side
    39,469.09x = 1,174,766,559.10
  5. Step 5: Solve for x
    x = 1,174,766,559.10/39,469.09
  6. Step 6: Final answer
    x = 29,764.22

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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.