Home / 39,169.56-54,052.10-21,264.36

Finding the Fourth Proportional to 39,169.56, 54,052.10 and 21,264.36

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Solution

The fourth proportional to 39,169.56, 54,052.10 and 21,264.36 is: 29,343.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,169.56 : 54,052.10 = 21,264.36 : x
  2. Step 2: Convert to fraction form
    39,169.56/54,052.10 = 21,264.36/x
  3. Step 3: Cross multiply
    39,169.56x = 54,052.10 × 21,264.36
  4. Step 4: Simplify right side
    39,169.56x = 1,149,383,313.16
  5. Step 5: Solve for x
    x = 1,149,383,313.16/39,169.56
  6. Step 6: Final answer
    x = 29,343.79

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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.