Home / 47,956.40-66,176.72-27,811.68

Finding the Fourth Proportional to 47,956.40, 66,176.72 and 27,811.68

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Solution

The fourth proportional to 47,956.40, 66,176.72 and 27,811.68 is: 38,378.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,956.40 : 66,176.72 = 27,811.68 : x
  2. Step 2: Convert to fraction form
    47,956.40/66,176.72 = 27,811.68/x
  3. Step 3: Cross multiply
    47,956.40x = 66,176.72 × 27,811.68
  4. Step 4: Simplify right side
    47,956.40x = 1,840,485,760.09
  5. Step 5: Solve for x
    x = 1,840,485,760.09/47,956.40
  6. Step 6: Final answer
    x = 38,378.31

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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.