Home / 36,979.05-55,517.79-19,461.18

Finding the Fourth Proportional to 36,979.05, 55,517.79 and 19,461.18

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Solution

The fourth proportional to 36,979.05, 55,517.79 and 19,461.18 is: 29,217.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,979.05 : 55,517.79 = 19,461.18 : x
  2. Step 2: Convert to fraction form
    36,979.05/55,517.79 = 19,461.18/x
  3. Step 3: Cross multiply
    36,979.05x = 55,517.79 × 19,461.18
  4. Step 4: Simplify right side
    36,979.05x = 1,080,441,876.09
  5. Step 5: Solve for x
    x = 1,080,441,876.09/36,979.05
  6. Step 6: Final answer
    x = 29,217.67

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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.