Home / 34,117.92-51,188.49-20,817.54

Finding the Fourth Proportional to 34,117.92, 51,188.49 and 20,817.54

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Solution

The fourth proportional to 34,117.92, 51,188.49 and 20,817.54 is: 31,233.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,117.92 : 51,188.49 = 20,817.54 : x
  2. Step 2: Convert to fraction form
    34,117.92/51,188.49 = 20,817.54/x
  3. Step 3: Cross multiply
    34,117.92x = 51,188.49 × 20,817.54
  4. Step 4: Simplify right side
    34,117.92x = 1,065,618,438.11
  5. Step 5: Solve for x
    x = 1,065,618,438.11/34,117.92
  6. Step 6: Final answer
    x = 31,233.39

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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.