Home / 34,145.99-51,242.13-11,959.55

Finding the Fourth Proportional to 34,145.99, 51,242.13 and 11,959.55

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Solution

The fourth proportional to 34,145.99, 51,242.13 and 11,959.55 is: 17,947.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,145.99 : 51,242.13 = 11,959.55 : x
  2. Step 2: Convert to fraction form
    34,145.99/51,242.13 = 11,959.55/x
  3. Step 3: Cross multiply
    34,145.99x = 51,242.13 × 11,959.55
  4. Step 4: Simplify right side
    34,145.99x = 612,832,559.63
  5. Step 5: Solve for x
    x = 612,832,559.63/34,145.99
  6. Step 6: Final answer
    x = 17,947.43

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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.