Home / 51,212.76-76,834.80-26,270.43

Finding the Fourth Proportional to 51,212.76, 76,834.80 and 26,270.43

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Solution

The fourth proportional to 51,212.76, 76,834.80 and 26,270.43 is: 39,413.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,212.76 : 76,834.80 = 26,270.43 : x
  2. Step 2: Convert to fraction form
    51,212.76/76,834.80 = 26,270.43/x
  3. Step 3: Cross multiply
    51,212.76x = 76,834.80 × 26,270.43
  4. Step 4: Simplify right side
    51,212.76x = 2,018,483,234.96
  5. Step 5: Solve for x
    x = 2,018,483,234.96/51,212.76
  6. Step 6: Final answer
    x = 39,413.68

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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.