Home / 39,536.65-54,558.26-21,628.09

Finding the Fourth Proportional to 39,536.65, 54,558.26 and 21,628.09

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Solution

The fourth proportional to 39,536.65, 54,558.26 and 21,628.09 is: 29,845.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,536.65 : 54,558.26 = 21,628.09 : x
  2. Step 2: Convert to fraction form
    39,536.65/54,558.26 = 21,628.09/x
  3. Step 3: Cross multiply
    39,536.65x = 54,558.26 × 21,628.09
  4. Step 4: Simplify right side
    39,536.65x = 1,179,990,849.38
  5. Step 5: Solve for x
    x = 1,179,990,849.38/39,536.65
  6. Step 6: Final answer
    x = 29,845.49

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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.