Home / 38,945.76-58,419.12-11,244

Finding the Fourth Proportional to 38,945.76, 58,419.12 and 11,244

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Solution

The fourth proportional to 38,945.76, 58,419.12 and 11,244 is: 16,866.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,945.76 : 58,419.12 = 11,244 : x
  2. Step 2: Convert to fraction form
    38,945.76/58,419.12 = 11,244/x
  3. Step 3: Cross multiply
    38,945.76x = 58,419.12 × 11,244
  4. Step 4: Simplify right side
    38,945.76x = 656,864,585.28
  5. Step 5: Solve for x
    x = 656,864,585.28/38,945.76
  6. Step 6: Final answer
    x = 16,866.14

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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.