Home / 34,154.87-51,255.33-11,968.45

Finding the Fourth Proportional to 34,154.87, 51,255.33 and 11,968.45

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Solution

The fourth proportional to 34,154.87, 51,255.33 and 11,968.45 is: 17,960.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,154.87 : 51,255.33 = 11,968.45 : x
  2. Step 2: Convert to fraction form
    34,154.87/51,255.33 = 11,968.45/x
  3. Step 3: Cross multiply
    34,154.87x = 51,255.33 × 11,968.45
  4. Step 4: Simplify right side
    34,154.87x = 613,446,854.34
  5. Step 5: Solve for x
    x = 613,446,854.34/34,154.87
  6. Step 6: Final answer
    x = 17,960.74

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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.