Home / 39,467.51-54,464.25-21,562.61

Finding the Fourth Proportional to 39,467.51, 54,464.25 and 21,562.61

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Solution

The fourth proportional to 39,467.51, 54,464.25 and 21,562.61 is: 29,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,467.51 : 54,464.25 = 21,562.61 : x
  2. Step 2: Convert to fraction form
    39,467.51/54,464.25 = 21,562.61/x
  3. Step 3: Cross multiply
    39,467.51x = 54,464.25 × 21,562.61
  4. Step 4: Simplify right side
    39,467.51x = 1,174,391,381.69
  5. Step 5: Solve for x
    x = 1,174,391,381.69/39,467.51
  6. Step 6: Final answer
    x = 29,755.90

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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.