Home / 34,172.66-51,266.28-11,987.37

Finding the Fourth Proportional to 34,172.66, 51,266.28 and 11,987.37

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Solution

The fourth proportional to 34,172.66, 51,266.28 and 11,987.37 is: 17,983.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,172.66 : 51,266.28 = 11,987.37 : x
  2. Step 2: Convert to fraction form
    34,172.66/51,266.28 = 11,987.37/x
  3. Step 3: Cross multiply
    34,172.66x = 51,266.28 × 11,987.37
  4. Step 4: Simplify right side
    34,172.66x = 614,547,866.88
  5. Step 5: Solve for x
    x = 614,547,866.88/34,172.66
  6. Step 6: Final answer
    x = 17,983.61

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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.