Home / 30,240.13-41,732.79-16,811.59

Finding the Fourth Proportional to 30,240.13, 41,732.79 and 16,811.59

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Solution

The fourth proportional to 30,240.13, 41,732.79 and 16,811.59 is: 23,200.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240.13 : 41,732.79 = 16,811.59 : x
  2. Step 2: Convert to fraction form
    30,240.13/41,732.79 = 16,811.59/x
  3. Step 3: Cross multiply
    30,240.13x = 41,732.79 × 16,811.59
  4. Step 4: Simplify right side
    30,240.13x = 701,594,450.70
  5. Step 5: Solve for x
    x = 701,594,450.70/30,240.13
  6. Step 6: Final answer
    x = 23,200.78

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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.