Home / 34,780.20-52,183.10-14,005.80

Finding the Fourth Proportional to 34,780.20, 52,183.10 and 14,005.80

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Solution

The fourth proportional to 34,780.20, 52,183.10 and 14,005.80 is: 21,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,780.20 : 52,183.10 = 14,005.80 : x
  2. Step 2: Convert to fraction form
    34,780.20/52,183.10 = 14,005.80/x
  3. Step 3: Cross multiply
    34,780.20x = 52,183.10 × 14,005.80
  4. Step 4: Simplify right side
    34,780.20x = 730,866,061.98
  5. Step 5: Solve for x
    x = 730,866,061.98/34,780.20
  6. Step 6: Final answer
    x = 21,013.85

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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.