Home / 30,385.62-41,936.13-17,811.54

Finding the Fourth Proportional to 30,385.62, 41,936.13 and 17,811.54

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Solution

The fourth proportional to 30,385.62, 41,936.13 and 17,811.54 is: 24,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,385.62 : 41,936.13 = 17,811.54 : x
  2. Step 2: Convert to fraction form
    30,385.62/41,936.13 = 17,811.54/x
  3. Step 3: Cross multiply
    30,385.62x = 41,936.13 × 17,811.54
  4. Step 4: Simplify right side
    30,385.62x = 746,947,056.94
  5. Step 5: Solve for x
    x = 746,947,056.94/30,385.62
  6. Step 6: Final answer
    x = 24,582.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.