Home / 47,418.54-71,078.40-19,326.42

Finding the Fourth Proportional to 47,418.54, 71,078.40 and 19,326.42

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Solution

The fourth proportional to 47,418.54, 71,078.40 and 19,326.42 is: 28,969.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,418.54 : 71,078.40 = 19,326.42 : x
  2. Step 2: Convert to fraction form
    47,418.54/71,078.40 = 19,326.42/x
  3. Step 3: Cross multiply
    47,418.54x = 71,078.40 × 19,326.42
  4. Step 4: Simplify right side
    47,418.54x = 1,373,691,011.33
  5. Step 5: Solve for x
    x = 1,373,691,011.33/47,418.54
  6. Step 6: Final answer
    x = 28,969.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.