Home / 51,354.52-77,016.48-21,771.88

Finding the Fourth Proportional to 51,354.52, 77,016.48 and 21,771.88

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Solution

The fourth proportional to 51,354.52, 77,016.48 and 21,771.88 is: 32,651.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,354.52 : 77,016.48 = 21,771.88 : x
  2. Step 2: Convert to fraction form
    51,354.52/77,016.48 = 21,771.88/x
  3. Step 3: Cross multiply
    51,354.52x = 77,016.48 × 21,771.88
  4. Step 4: Simplify right side
    51,354.52x = 1,676,793,560.58
  5. Step 5: Solve for x
    x = 1,676,793,560.58/51,354.52
  6. Step 6: Final answer
    x = 32,651.33

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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.