Home / 34,072.88-51,090.78-11,880.32

Finding the Fourth Proportional to 34,072.88, 51,090.78 and 11,880.32

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Solution

The fourth proportional to 34,072.88, 51,090.78 and 11,880.32 is: 17,814.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,072.88 : 51,090.78 = 11,880.32 : x
  2. Step 2: Convert to fraction form
    34,072.88/51,090.78 = 11,880.32/x
  3. Step 3: Cross multiply
    34,072.88x = 51,090.78 × 11,880.32
  4. Step 4: Simplify right side
    34,072.88x = 606,974,815.45
  5. Step 5: Solve for x
    x = 606,974,815.45/34,072.88
  6. Step 6: Final answer
    x = 17,814.02

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1.5x scale

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.