Home / 30,896.50-46,358.60-14,247.61

Finding the Fourth Proportional to 30,896.50, 46,358.60 and 14,247.61

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Solution

The fourth proportional to 30,896.50, 46,358.60 and 14,247.61 is: 21,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,896.50 : 46,358.60 = 14,247.61 : x
  2. Step 2: Convert to fraction form
    30,896.50/46,358.60 = 14,247.61/x
  3. Step 3: Cross multiply
    30,896.50x = 46,358.60 × 14,247.61
  4. Step 4: Simplify right side
    30,896.50x = 660,499,291.39
  5. Step 5: Solve for x
    x = 660,499,291.39/30,896.50
  6. Step 6: Final answer
    x = 21,377.80

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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.