Home / 39,299.58-58,964.49-18,508.38

Finding the Fourth Proportional to 39,299.58, 58,964.49 and 18,508.38

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Solution

The fourth proportional to 39,299.58, 58,964.49 and 18,508.38 is: 27,769.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,299.58 : 58,964.49 = 18,508.38 : x
  2. Step 2: Convert to fraction form
    39,299.58/58,964.49 = 18,508.38/x
  3. Step 3: Cross multiply
    39,299.58x = 58,964.49 × 18,508.38
  4. Step 4: Simplify right side
    39,299.58x = 1,091,337,187.43
  5. Step 5: Solve for x
    x = 1,091,337,187.43/39,299.58
  6. Step 6: Final answer
    x = 27,769.69

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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.