Home / 39,308.08-54,244.20-22,540

Finding the Fourth Proportional to 39,308.08, 54,244.20 and 22,540

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Solution

The fourth proportional to 39,308.08, 54,244.20 and 22,540 is: 31,104.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,308.08 : 54,244.20 = 22,540 : x
  2. Step 2: Convert to fraction form
    39,308.08/54,244.20 = 22,540/x
  3. Step 3: Cross multiply
    39,308.08x = 54,244.20 × 22,540
  4. Step 4: Simplify right side
    39,308.08x = 1,222,664,268
  5. Step 5: Solve for x
    x = 1,222,664,268/39,308.08
  6. Step 6: Final answer
    x = 31,104.66

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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.