Home / 39,471.05-54,467.69-21,562.49

Finding the Fourth Proportional to 39,471.05, 54,467.69 and 21,562.49

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Solution

The fourth proportional to 39,471.05, 54,467.69 and 21,562.49 is: 29,754.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,471.05 : 54,467.69 = 21,562.49 : x
  2. Step 2: Convert to fraction form
    39,471.05/54,467.69 = 21,562.49/x
  3. Step 3: Cross multiply
    39,471.05x = 54,467.69 × 21,562.49
  4. Step 4: Simplify right side
    39,471.05x = 1,174,458,640.80
  5. Step 5: Solve for x
    x = 1,174,458,640.80/39,471.05
  6. Step 6: Final answer
    x = 29,754.94

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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.