Home / 34,078.86-51,080.28-25,731.78

Finding the Fourth Proportional to 34,078.86, 51,080.28 and 25,731.78

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Solution

The fourth proportional to 34,078.86, 51,080.28 and 25,731.78 is: 38,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,078.86 : 51,080.28 = 25,731.78 : x
  2. Step 2: Convert to fraction form
    34,078.86/51,080.28 = 25,731.78/x
  3. Step 3: Cross multiply
    34,078.86x = 51,080.28 × 25,731.78
  4. Step 4: Simplify right side
    34,078.86x = 1,314,386,527.30
  5. Step 5: Solve for x
    x = 1,314,386,527.30/34,078.86
  6. Step 6: Final answer
    x = 38,568.97

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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.