Home / 51,052.08-76,581.78-13,611.96

Finding the Fourth Proportional to 51,052.08, 76,581.78 and 13,611.96

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Solution

The fourth proportional to 51,052.08, 76,581.78 and 13,611.96 is: 20,418.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,052.08 : 76,581.78 = 13,611.96 : x
  2. Step 2: Convert to fraction form
    51,052.08/76,581.78 = 13,611.96/x
  3. Step 3: Cross multiply
    51,052.08x = 76,581.78 × 13,611.96
  4. Step 4: Simplify right side
    51,052.08x = 1,042,428,126.09
  5. Step 5: Solve for x
    x = 1,042,428,126.09/51,052.08
  6. Step 6: Final answer
    x = 20,418.92

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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.