Home / 34,143.29-51,188.21-21,660.99

Finding the Fourth Proportional to 34,143.29, 51,188.21 and 21,660.99

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Solution

The fourth proportional to 34,143.29, 51,188.21 and 21,660.99 is: 32,474.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,143.29 : 51,188.21 = 21,660.99 : x
  2. Step 2: Convert to fraction form
    34,143.29/51,188.21 = 21,660.99/x
  3. Step 3: Cross multiply
    34,143.29x = 51,188.21 × 21,660.99
  4. Step 4: Simplify right side
    34,143.29x = 1,108,787,277.85
  5. Step 5: Solve for x
    x = 1,108,787,277.85/34,143.29
  6. Step 6: Final answer
    x = 32,474.53

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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.