Home / 34,227.11-51,347.88-12,879.96

Finding the Fourth Proportional to 34,227.11, 51,347.88 and 12,879.96

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Solution

The fourth proportional to 34,227.11, 51,347.88 and 12,879.96 is: 19,322.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,227.11 : 51,347.88 = 12,879.96 : x
  2. Step 2: Convert to fraction form
    34,227.11/51,347.88 = 12,879.96/x
  3. Step 3: Cross multiply
    34,227.11x = 51,347.88 × 12,879.96
  4. Step 4: Simplify right side
    34,227.11x = 661,358,640.48
  5. Step 5: Solve for x
    x = 661,358,640.48/34,227.11
  6. Step 6: Final answer
    x = 19,322.66

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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.