Home / 39,564.70-54,600.51-21,661.37

Finding the Fourth Proportional to 39,564.70, 54,600.51 and 21,661.37

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Solution

The fourth proportional to 39,564.70, 54,600.51 and 21,661.37 is: 29,893.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,564.70 : 54,600.51 = 21,661.37 : x
  2. Step 2: Convert to fraction form
    39,564.70/54,600.51 = 21,661.37/x
  3. Step 3: Cross multiply
    39,564.70x = 54,600.51 × 21,661.37
  4. Step 4: Simplify right side
    39,564.70x = 1,182,721,849.30
  5. Step 5: Solve for x
    x = 1,182,721,849.30/39,564.70
  6. Step 6: Final answer
    x = 29,893.36

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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.