Home / 35,450.12-53,180.22-12,080.36

Finding the Fourth Proportional to 35,450.12, 53,180.22 and 12,080.36

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Solution

The fourth proportional to 35,450.12, 53,180.22 and 12,080.36 is: 18,122.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,450.12 : 53,180.22 = 12,080.36 : x
  2. Step 2: Convert to fraction form
    35,450.12/53,180.22 = 12,080.36/x
  3. Step 3: Cross multiply
    35,450.12x = 53,180.22 × 12,080.36
  4. Step 4: Simplify right side
    35,450.12x = 642,436,202.48
  5. Step 5: Solve for x
    x = 642,436,202.48/35,450.12
  6. Step 6: Final answer
    x = 18,122.26

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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.