Home / 39,247.62-54,161.97-21,342.82

Finding the Fourth Proportional to 39,247.62, 54,161.97 and 21,342.82

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Solution

The fourth proportional to 39,247.62, 54,161.97 and 21,342.82 is: 29,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,247.62 : 54,161.97 = 21,342.82 : x
  2. Step 2: Convert to fraction form
    39,247.62/54,161.97 = 21,342.82/x
  3. Step 3: Cross multiply
    39,247.62x = 54,161.97 × 21,342.82
  4. Step 4: Simplify right side
    39,247.62x = 1,155,969,176.56
  5. Step 5: Solve for x
    x = 1,155,969,176.56/39,247.62
  6. Step 6: Final answer
    x = 29,453.23

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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.