Home / 30,199.92-41,669.18-18,263

Finding the Fourth Proportional to 30,199.92, 41,669.18 and 18,263

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Solution

The fourth proportional to 30,199.92, 41,669.18 and 18,263 is: 25,198.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,199.92 : 41,669.18 = 18,263 : x
  2. Step 2: Convert to fraction form
    30,199.92/41,669.18 = 18,263/x
  3. Step 3: Cross multiply
    30,199.92x = 41,669.18 × 18,263
  4. Step 4: Simplify right side
    30,199.92x = 761,004,234.34
  5. Step 5: Solve for x
    x = 761,004,234.34/30,199.92
  6. Step 6: Final answer
    x = 25,198.88

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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.