Home / 38,650.56-53,336.24-21,883.56

Finding the Fourth Proportional to 38,650.56, 53,336.24 and 21,883.56

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Solution

The fourth proportional to 38,650.56, 53,336.24 and 21,883.56 is: 30,198.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,650.56 : 53,336.24 = 21,883.56 : x
  2. Step 2: Convert to fraction form
    38,650.56/53,336.24 = 21,883.56/x
  3. Step 3: Cross multiply
    38,650.56x = 53,336.24 × 21,883.56
  4. Step 4: Simplify right side
    38,650.56x = 1,167,186,808.21
  5. Step 5: Solve for x
    x = 1,167,186,808.21/38,650.56
  6. Step 6: Final answer
    x = 30,198.44

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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.