Home / 30,234.87-41,713.07-18,293.85

Finding the Fourth Proportional to 30,234.87, 41,713.07 and 18,293.85

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Solution

The fourth proportional to 30,234.87, 41,713.07 and 18,293.85 is: 25,238.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,234.87 : 41,713.07 = 18,293.85 : x
  2. Step 2: Convert to fraction form
    30,234.87/41,713.07 = 18,293.85/x
  3. Step 3: Cross multiply
    30,234.87x = 41,713.07 × 18,293.85
  4. Step 4: Simplify right side
    30,234.87x = 763,092,554.15
  5. Step 5: Solve for x
    x = 763,092,554.15/30,234.87
  6. Step 6: Final answer
    x = 25,238.82

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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.