Home / 51,081.48-76,668.57-26,138.76

Finding the Fourth Proportional to 51,081.48, 76,668.57 and 26,138.76

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Solution

The fourth proportional to 51,081.48, 76,668.57 and 26,138.76 is: 39,231.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,081.48 : 76,668.57 = 26,138.76 : x
  2. Step 2: Convert to fraction form
    51,081.48/76,668.57 = 26,138.76/x
  3. Step 3: Cross multiply
    51,081.48x = 76,668.57 × 26,138.76
  4. Step 4: Simplify right side
    51,081.48x = 2,004,021,350.77
  5. Step 5: Solve for x
    x = 2,004,021,350.77/51,081.48
  6. Step 6: Final answer
    x = 39,231.86

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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.