Home / 38,610.62-57,953.38-18,634.17

Finding the Fourth Proportional to 38,610.62, 57,953.38 and 18,634.17

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Solution

The fourth proportional to 38,610.62, 57,953.38 and 18,634.17 is: 27,969.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,610.62 : 57,953.38 = 18,634.17 : x
  2. Step 2: Convert to fraction form
    38,610.62/57,953.38 = 18,634.17/x
  3. Step 3: Cross multiply
    38,610.62x = 57,953.38 × 18,634.17
  4. Step 4: Simplify right side
    38,610.62x = 1,079,913,134.99
  5. Step 5: Solve for x
    x = 1,079,913,134.99/38,610.62
  6. Step 6: Final answer
    x = 27,969.33

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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.