Home / 39,542.37-54,568.64-21,393.04

Finding the Fourth Proportional to 39,542.37, 54,568.64 and 21,393.04

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Solution

The fourth proportional to 39,542.37, 54,568.64 and 21,393.04 is: 29,522.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,542.37 : 54,568.64 = 21,393.04 : x
  2. Step 2: Convert to fraction form
    39,542.37/54,568.64 = 21,393.04/x
  3. Step 3: Cross multiply
    39,542.37x = 54,568.64 × 21,393.04
  4. Step 4: Simplify right side
    39,542.37x = 1,167,388,718.46
  5. Step 5: Solve for x
    x = 1,167,388,718.46/39,542.37
  6. Step 6: Final answer
    x = 29,522.48

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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.