Home / 34,117.12-51,182.24-13,339.36

Finding the Fourth Proportional to 34,117.12, 51,182.24 and 13,339.36

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Solution

The fourth proportional to 34,117.12, 51,182.24 and 13,339.36 is: 20,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,117.12 : 51,182.24 = 13,339.36 : x
  2. Step 2: Convert to fraction form
    34,117.12/51,182.24 = 13,339.36/x
  3. Step 3: Cross multiply
    34,117.12x = 51,182.24 × 13,339.36
  4. Step 4: Simplify right side
    34,117.12x = 682,738,324.97
  5. Step 5: Solve for x
    x = 682,738,324.97/34,117.12
  6. Step 6: Final answer
    x = 20,011.60

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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.