Home / 39,272.21-54,195.87-21,367.33

Finding the Fourth Proportional to 39,272.21, 54,195.87 and 21,367.33

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Solution

The fourth proportional to 39,272.21, 54,195.87 and 21,367.33 is: 29,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,272.21 : 54,195.87 = 21,367.33 : x
  2. Step 2: Convert to fraction form
    39,272.21/54,195.87 = 21,367.33/x
  3. Step 3: Cross multiply
    39,272.21x = 54,195.87 × 21,367.33
  4. Step 4: Simplify right side
    39,272.21x = 1,158,020,932.09
  5. Step 5: Solve for x
    x = 1,158,020,932.09/39,272.21
  6. Step 6: Final answer
    x = 29,487.04

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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.