Home / 39,927.36-55,087.68-23,157.12

Finding the Fourth Proportional to 39,927.36, 55,087.68 and 23,157.12

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Solution

The fourth proportional to 39,927.36, 55,087.68 and 23,157.12 is: 31,949.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,927.36 : 55,087.68 = 23,157.12 : x
  2. Step 2: Convert to fraction form
    39,927.36/55,087.68 = 23,157.12/x
  3. Step 3: Cross multiply
    39,927.36x = 55,087.68 × 23,157.12
  4. Step 4: Simplify right side
    39,927.36x = 1,275,672,016.28
  5. Step 5: Solve for x
    x = 1,275,672,016.28/39,927.36
  6. Step 6: Final answer
    x = 31,949.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.