Home / 40,419.27-55,778.49-22,514.09

Finding the Fourth Proportional to 40,419.27, 55,778.49 and 22,514.09

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Solution

The fourth proportional to 40,419.27, 55,778.49 and 22,514.09 is: 31,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,419.27 : 55,778.49 = 22,514.09 : x
  2. Step 2: Convert to fraction form
    40,419.27/55,778.49 = 22,514.09/x
  3. Step 3: Cross multiply
    40,419.27x = 55,778.49 × 22,514.09
  4. Step 4: Simplify right side
    40,419.27x = 1,255,801,665.03
  5. Step 5: Solve for x
    x = 1,255,801,665.03/40,419.27
  6. Step 6: Final answer
    x = 31,069.38

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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.