Home / 34,111.80-51,176.70-11,925.12

Finding the Fourth Proportional to 34,111.80, 51,176.70 and 11,925.12

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Solution

The fourth proportional to 34,111.80, 51,176.70 and 11,925.12 is: 17,890.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,111.80 : 51,176.70 = 11,925.12 : x
  2. Step 2: Convert to fraction form
    34,111.80/51,176.70 = 11,925.12/x
  3. Step 3: Cross multiply
    34,111.80x = 51,176.70 × 11,925.12
  4. Step 4: Simplify right side
    34,111.80x = 610,288,288.70
  5. Step 5: Solve for x
    x = 610,288,288.70/34,111.80
  6. Step 6: Final answer
    x = 17,890.83

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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.