Home / 39,554.99-54,586-21,650.14

Finding the Fourth Proportional to 39,554.99, 54,586 and 21,650.14

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Solution

The fourth proportional to 39,554.99, 54,586 and 21,650.14 is: 29,877.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,554.99 : 54,586 = 21,650.14 : x
  2. Step 2: Convert to fraction form
    39,554.99/54,586 = 21,650.14/x
  3. Step 3: Cross multiply
    39,554.99x = 54,586 × 21,650.14
  4. Step 4: Simplify right side
    39,554.99x = 1,181,794,542.04
  5. Step 5: Solve for x
    x = 1,181,794,542.04/39,554.99
  6. Step 6: Final answer
    x = 29,877.26

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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.