Home / 51,760.22-77,652.68-18,477.72

Finding the Fourth Proportional to 51,760.22, 77,652.68 and 18,477.72

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Solution

The fourth proportional to 51,760.22, 77,652.68 and 18,477.72 is: 27,720.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,760.22 : 77,652.68 = 18,477.72 : x
  2. Step 2: Convert to fraction form
    51,760.22/77,652.68 = 18,477.72/x
  3. Step 3: Cross multiply
    51,760.22x = 77,652.68 × 18,477.72
  4. Step 4: Simplify right side
    51,760.22x = 1,434,844,385.90
  5. Step 5: Solve for x
    x = 1,434,844,385.90/51,760.22
  6. Step 6: Final answer
    x = 27,720.99

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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.