Home / 34,245.78-51,348.17-14,231.14

Finding the Fourth Proportional to 34,245.78, 51,348.17 and 14,231.14

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Solution

The fourth proportional to 34,245.78, 51,348.17 and 14,231.14 is: 21,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,245.78 : 51,348.17 = 14,231.14 : x
  2. Step 2: Convert to fraction form
    34,245.78/51,348.17 = 14,231.14/x
  3. Step 3: Cross multiply
    34,245.78x = 51,348.17 × 14,231.14
  4. Step 4: Simplify right side
    34,245.78x = 730,742,739.27
  5. Step 5: Solve for x
    x = 730,742,739.27/34,245.78
  6. Step 6: Final answer
    x = 21,338.18

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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.