Home / 41,289.91-61,930.64-11,306.81

Finding the Fourth Proportional to 41,289.91, 61,930.64 and 11,306.81

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Solution

The fourth proportional to 41,289.91, 61,930.64 and 11,306.81 is: 16,959.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,289.91 : 61,930.64 = 11,306.81 : x
  2. Step 2: Convert to fraction form
    41,289.91/61,930.64 = 11,306.81/x
  3. Step 3: Cross multiply
    41,289.91x = 61,930.64 × 11,306.81
  4. Step 4: Simplify right side
    41,289.91x = 700,238,162.75
  5. Step 5: Solve for x
    x = 700,238,162.75/41,289.91
  6. Step 6: Final answer
    x = 16,959.06

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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.