Home / 47,581.72-65,669.78-27,434.68

Finding the Fourth Proportional to 47,581.72, 65,669.78 and 27,434.68

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Solution

The fourth proportional to 47,581.72, 65,669.78 and 27,434.68 is: 37,863.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,581.72 : 65,669.78 = 27,434.68 : x
  2. Step 2: Convert to fraction form
    47,581.72/65,669.78 = 27,434.68/x
  3. Step 3: Cross multiply
    47,581.72x = 65,669.78 × 27,434.68
  4. Step 4: Simplify right side
    47,581.72x = 1,801,629,399.97
  5. Step 5: Solve for x
    x = 1,801,629,399.97/47,581.72
  6. Step 6: Final answer
    x = 37,863.90

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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.