Home / 34,387.76-51,578.20-11,007.92

Finding the Fourth Proportional to 34,387.76, 51,578.20 and 11,007.92

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Solution

The fourth proportional to 34,387.76, 51,578.20 and 11,007.92 is: 16,510.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,387.76 : 51,578.20 = 11,007.92 : x
  2. Step 2: Convert to fraction form
    34,387.76/51,578.20 = 11,007.92/x
  3. Step 3: Cross multiply
    34,387.76x = 51,578.20 × 11,007.92
  4. Step 4: Simplify right side
    34,387.76x = 567,768,699.34
  5. Step 5: Solve for x
    x = 567,768,699.34/34,387.76
  6. Step 6: Final answer
    x = 16,510.78

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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.