Home / 47,956.46-66,178.60-27,812.05

Finding the Fourth Proportional to 47,956.46, 66,178.60 and 27,812.05

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Solution

The fourth proportional to 47,956.46, 66,178.60 and 27,812.05 is: 38,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,956.46 : 66,178.60 = 27,812.05 : x
  2. Step 2: Convert to fraction form
    47,956.46/66,178.60 = 27,812.05/x
  3. Step 3: Cross multiply
    47,956.46x = 66,178.60 × 27,812.05
  4. Step 4: Simplify right side
    47,956.46x = 1,840,562,297.15
  5. Step 5: Solve for x
    x = 1,840,562,297.15/47,956.46
  6. Step 6: Final answer
    x = 38,379.87

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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.