Home / 34,031.52-51,052.72-11,851.20

Finding the Fourth Proportional to 34,031.52, 51,052.72 and 11,851.20

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Solution

The fourth proportional to 34,031.52, 51,052.72 and 11,851.20 is: 17,778.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,031.52 : 51,052.72 = 11,851.20 : x
  2. Step 2: Convert to fraction form
    34,031.52/51,052.72 = 11,851.20/x
  3. Step 3: Cross multiply
    34,031.52x = 51,052.72 × 11,851.20
  4. Step 4: Simplify right side
    34,031.52x = 605,035,995.26
  5. Step 5: Solve for x
    x = 605,035,995.26/34,031.52
  6. Step 6: Final answer
    x = 17,778.69

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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.