Home / 39,371.94-54,333.59-21,467.07

Finding the Fourth Proportional to 39,371.94, 54,333.59 and 21,467.07

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Solution

The fourth proportional to 39,371.94, 54,333.59 and 21,467.07 is: 29,624.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,371.94 : 54,333.59 = 21,467.07 : x
  2. Step 2: Convert to fraction form
    39,371.94/54,333.59 = 21,467.07/x
  3. Step 3: Cross multiply
    39,371.94x = 54,333.59 × 21,467.07
  4. Step 4: Simplify right side
    39,371.94x = 1,166,382,979.88
  5. Step 5: Solve for x
    x = 1,166,382,979.88/39,371.94
  6. Step 6: Final answer
    x = 29,624.73

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Double scale
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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.