Home / 30,865.38-46,288.53-11,141.39

Finding the Fourth Proportional to 30,865.38, 46,288.53 and 11,141.39

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Solution

The fourth proportional to 30,865.38, 46,288.53 and 11,141.39 is: 16,708.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,865.38 : 46,288.53 = 11,141.39 : x
  2. Step 2: Convert to fraction form
    30,865.38/46,288.53 = 11,141.39/x
  3. Step 3: Cross multiply
    30,865.38x = 46,288.53 × 11,141.39
  4. Step 4: Simplify right side
    30,865.38x = 515,718,333.81
  5. Step 5: Solve for x
    x = 515,718,333.81/30,865.38
  6. Step 6: Final answer
    x = 16,708.63

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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.