Home / 27,666.19-41,418.54-20,581.86

Finding the Fourth Proportional to 27,666.19, 41,418.54 and 20,581.86

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Solution

The fourth proportional to 27,666.19, 41,418.54 and 20,581.86 is: 30,812.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,666.19 : 41,418.54 = 20,581.86 : x
  2. Step 2: Convert to fraction form
    27,666.19/41,418.54 = 20,581.86/x
  3. Step 3: Cross multiply
    27,666.19x = 41,418.54 × 20,581.86
  4. Step 4: Simplify right side
    27,666.19x = 852,470,591.68
  5. Step 5: Solve for x
    x = 852,470,591.68/27,666.19
  6. Step 6: Final answer
    x = 30,812.72

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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.