Home / 39,166.41-54,049.71-21,261.43

Finding the Fourth Proportional to 39,166.41, 54,049.71 and 21,261.43

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Solution

The fourth proportional to 39,166.41, 54,049.71 and 21,261.43 is: 29,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,166.41 : 54,049.71 = 21,261.43 : x
  2. Step 2: Convert to fraction form
    39,166.41/54,049.71 = 21,261.43/x
  3. Step 3: Cross multiply
    39,166.41x = 54,049.71 × 21,261.43
  4. Step 4: Simplify right side
    39,166.41x = 1,149,173,855.44
  5. Step 5: Solve for x
    x = 1,149,173,855.44/39,166.41
  6. Step 6: Final answer
    x = 29,340.81

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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.