Home / 51,213.66-76,819.92-13,262.76

Finding the Fourth Proportional to 51,213.66, 76,819.92 and 13,262.76

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Solution

The fourth proportional to 51,213.66, 76,819.92 and 13,262.76 is: 19,893.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,213.66 : 76,819.92 = 13,262.76 : x
  2. Step 2: Convert to fraction form
    51,213.66/76,819.92 = 13,262.76/x
  3. Step 3: Cross multiply
    51,213.66x = 76,819.92 × 13,262.76
  4. Step 4: Simplify right side
    51,213.66x = 1,018,844,162.18
  5. Step 5: Solve for x
    x = 1,018,844,162.18/51,213.66
  6. Step 6: Final answer
    x = 19,893.99

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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.