Home / 47,659.22-65,772.70-27,519.78

Finding the Fourth Proportional to 47,659.22, 65,772.70 and 27,519.78

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Solution

The fourth proportional to 47,659.22, 65,772.70 and 27,519.78 is: 37,979.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,659.22 : 65,772.70 = 27,519.78 : x
  2. Step 2: Convert to fraction form
    47,659.22/65,772.70 = 27,519.78/x
  3. Step 3: Cross multiply
    47,659.22x = 65,772.70 × 27,519.78
  4. Step 4: Simplify right side
    47,659.22x = 1,810,050,165.21
  5. Step 5: Solve for x
    x = 1,810,050,165.21/47,659.22
  6. Step 6: Final answer
    x = 37,979.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.