Home / 51,087.96-76,596.48-21,481.74

Finding the Fourth Proportional to 51,087.96, 76,596.48 and 21,481.74

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Solution

The fourth proportional to 51,087.96, 76,596.48 and 21,481.74 is: 32,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,087.96 : 76,596.48 = 21,481.74 : x
  2. Step 2: Convert to fraction form
    51,087.96/76,596.48 = 21,481.74/x
  3. Step 3: Cross multiply
    51,087.96x = 76,596.48 × 21,481.74
  4. Step 4: Simplify right side
    51,087.96x = 1,645,425,668.28
  5. Step 5: Solve for x
    x = 1,645,425,668.28/51,087.96
  6. Step 6: Final answer
    x = 32,207.70

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1.5x scale

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.