Home / 35,642.27-53,481.85-18,112.09

Finding the Fourth Proportional to 35,642.27, 53,481.85 and 18,112.09

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Solution

The fourth proportional to 35,642.27, 53,481.85 and 18,112.09 is: 27,177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,642.27 : 53,481.85 = 18,112.09 : x
  2. Step 2: Convert to fraction form
    35,642.27/53,481.85 = 18,112.09/x
  3. Step 3: Cross multiply
    35,642.27x = 53,481.85 × 18,112.09
  4. Step 4: Simplify right side
    35,642.27x = 968,668,080.57
  5. Step 5: Solve for x
    x = 968,668,080.57/35,642.27
  6. Step 6: Final answer
    x = 27,177.51

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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.