Home / 39,918.33-55,086.21-22,013.01

Finding the Fourth Proportional to 39,918.33, 55,086.21 and 22,013.01

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Solution

The fourth proportional to 39,918.33, 55,086.21 and 22,013.01 is: 30,377.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,918.33 : 55,086.21 = 22,013.01 : x
  2. Step 2: Convert to fraction form
    39,918.33/55,086.21 = 22,013.01/x
  3. Step 3: Cross multiply
    39,918.33x = 55,086.21 × 22,013.01
  4. Step 4: Simplify right side
    39,918.33x = 1,212,613,291.59
  5. Step 5: Solve for x
    x = 1,212,613,291.59/39,918.33
  6. Step 6: Final answer
    x = 30,377.36

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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.