Home / 34,534.20-51,795.72-12,343.80

Finding the Fourth Proportional to 34,534.20, 51,795.72 and 12,343.80

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Solution

The fourth proportional to 34,534.20, 51,795.72 and 12,343.80 is: 18,513.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,534.20 : 51,795.72 = 12,343.80 : x
  2. Step 2: Convert to fraction form
    34,534.20/51,795.72 = 12,343.80/x
  3. Step 3: Cross multiply
    34,534.20x = 51,795.72 × 12,343.80
  4. Step 4: Simplify right side
    34,534.20x = 639,356,008.54
  5. Step 5: Solve for x
    x = 639,356,008.54/34,534.20
  6. Step 6: Final answer
    x = 18,513.71

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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.