Home / 23,198.92-34,721.34-21,123.70

Finding the Fourth Proportional to 23,198.92, 34,721.34 and 21,123.70

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Solution

The fourth proportional to 23,198.92, 34,721.34 and 21,123.70 is: 31,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,198.92 : 34,721.34 = 21,123.70 : x
  2. Step 2: Convert to fraction form
    23,198.92/34,721.34 = 21,123.70/x
  3. Step 3: Cross multiply
    23,198.92x = 34,721.34 × 21,123.70
  4. Step 4: Simplify right side
    23,198.92x = 733,443,169.76
  5. Step 5: Solve for x
    x = 733,443,169.76/23,198.92
  6. Step 6: Final answer
    x = 31,615.40

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1.5x scale

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.