Home / 34,243.63-51,379.07-13,178.02

Finding the Fourth Proportional to 34,243.63, 51,379.07 and 13,178.02

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Solution

The fourth proportional to 34,243.63, 51,379.07 and 13,178.02 is: 19,772.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,243.63 : 51,379.07 = 13,178.02 : x
  2. Step 2: Convert to fraction form
    34,243.63/51,379.07 = 13,178.02/x
  3. Step 3: Cross multiply
    34,243.63x = 51,379.07 × 13,178.02
  4. Step 4: Simplify right side
    34,243.63x = 677,074,155.15
  5. Step 5: Solve for x
    x = 677,074,155.15/34,243.63
  6. Step 6: Final answer
    x = 19,772.27

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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.