Home / 30,234.12-41,721.29-16,804.91

Finding the Fourth Proportional to 30,234.12, 41,721.29 and 16,804.91

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Solution

The fourth proportional to 30,234.12, 41,721.29 and 16,804.91 is: 23,189.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,234.12 : 41,721.29 = 16,804.91 : x
  2. Step 2: Convert to fraction form
    30,234.12/41,721.29 = 16,804.91/x
  3. Step 3: Cross multiply
    30,234.12x = 41,721.29 × 16,804.91
  4. Step 4: Simplify right side
    30,234.12x = 701,122,230.90
  5. Step 5: Solve for x
    x = 701,122,230.90/30,234.12
  6. Step 6: Final answer
    x = 23,189.77

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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.