Home / 39,460.11-54,452.97-21,551.82

Finding the Fourth Proportional to 39,460.11, 54,452.97 and 21,551.82

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Solution

The fourth proportional to 39,460.11, 54,452.97 and 21,551.82 is: 29,740.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,460.11 : 54,452.97 = 21,551.82 : x
  2. Step 2: Convert to fraction form
    39,460.11/54,452.97 = 21,551.82/x
  3. Step 3: Cross multiply
    39,460.11x = 54,452.97 × 21,551.82
  4. Step 4: Simplify right side
    39,460.11x = 1,173,560,607.91
  5. Step 5: Solve for x
    x = 1,173,560,607.91/39,460.11
  6. Step 6: Final answer
    x = 29,740.43

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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.