Home / 51,262.56-76,856.92-31,500.28

Finding the Fourth Proportional to 51,262.56, 76,856.92 and 31,500.28

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Solution

The fourth proportional to 51,262.56, 76,856.92 and 31,500.28 is: 47,227.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,262.56 : 76,856.92 = 31,500.28 : x
  2. Step 2: Convert to fraction form
    51,262.56/76,856.92 = 31,500.28/x
  3. Step 3: Cross multiply
    51,262.56x = 76,856.92 × 31,500.28
  4. Step 4: Simplify right side
    51,262.56x = 2,421,014,499.94
  5. Step 5: Solve for x
    x = 2,421,014,499.94/51,262.56
  6. Step 6: Final answer
    x = 47,227.73

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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.