Home / 51,091.35-76,636.13-22,991.52

Finding the Fourth Proportional to 51,091.35, 76,636.13 and 22,991.52

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Solution

The fourth proportional to 51,091.35, 76,636.13 and 22,991.52 is: 34,486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,091.35 : 76,636.13 = 22,991.52 : x
  2. Step 2: Convert to fraction form
    51,091.35/76,636.13 = 22,991.52/x
  3. Step 3: Cross multiply
    51,091.35x = 76,636.13 × 22,991.52
  4. Step 4: Simplify right side
    51,091.35x = 1,761,981,115.62
  5. Step 5: Solve for x
    x = 1,761,981,115.62/51,091.35
  6. Step 6: Final answer
    x = 34,486.88

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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.