Home / 51,213.08-76,867.20-26,270.96

Finding the Fourth Proportional to 51,213.08, 76,867.20 and 26,270.96

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Solution

The fourth proportional to 51,213.08, 76,867.20 and 26,270.96 is: 39,430.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,213.08 : 76,867.20 = 26,270.96 : x
  2. Step 2: Convert to fraction form
    51,213.08/76,867.20 = 26,270.96/x
  3. Step 3: Cross multiply
    51,213.08x = 76,867.20 × 26,270.96
  4. Step 4: Simplify right side
    51,213.08x = 2,019,375,136.51
  5. Step 5: Solve for x
    x = 2,019,375,136.51/51,213.08
  6. Step 6: Final answer
    x = 39,430.85

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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.