Home / 39,365.82-54,324.42-21,460.44

Finding the Fourth Proportional to 39,365.82, 54,324.42 and 21,460.44

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Solution

The fourth proportional to 39,365.82, 54,324.42 and 21,460.44 is: 29,615.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,365.82 : 54,324.42 = 21,460.44 : x
  2. Step 2: Convert to fraction form
    39,365.82/54,324.42 = 21,460.44/x
  3. Step 3: Cross multiply
    39,365.82x = 54,324.42 × 21,460.44
  4. Step 4: Simplify right side
    39,365.82x = 1,165,825,955.94
  5. Step 5: Solve for x
    x = 1,165,825,955.94/39,365.82
  6. Step 6: Final answer
    x = 29,615.18

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1.5x scale

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.