Home / 34,650.57-51,981.46-13,579.18

Finding the Fourth Proportional to 34,650.57, 51,981.46 and 13,579.18

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Solution

The fourth proportional to 34,650.57, 51,981.46 and 13,579.18 is: 20,370.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,650.57 : 51,981.46 = 13,579.18 : x
  2. Step 2: Convert to fraction form
    34,650.57/51,981.46 = 13,579.18/x
  3. Step 3: Cross multiply
    34,650.57x = 51,981.46 × 13,579.18
  4. Step 4: Simplify right side
    34,650.57x = 705,865,676.49
  5. Step 5: Solve for x
    x = 705,865,676.49/34,650.57
  6. Step 6: Final answer
    x = 20,370.97

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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.