Home / 39,576.56-54,616.89-21,673.26

Finding the Fourth Proportional to 39,576.56, 54,616.89 and 21,673.26

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Solution

The fourth proportional to 39,576.56, 54,616.89 and 21,673.26 is: 29,909.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,576.56 : 54,616.89 = 21,673.26 : x
  2. Step 2: Convert to fraction form
    39,576.56/54,616.89 = 21,673.26/x
  3. Step 3: Cross multiply
    39,576.56x = 54,616.89 × 21,673.26
  4. Step 4: Simplify right side
    39,576.56x = 1,183,725,949.00
  5. Step 5: Solve for x
    x = 1,183,725,949.00/39,576.56
  6. Step 6: Final answer
    x = 29,909.78

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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.