Home / 30,505.92-45,758.96-20,042.04

Finding the Fourth Proportional to 30,505.92, 45,758.96 and 20,042.04

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Solution

The fourth proportional to 30,505.92, 45,758.96 and 20,042.04 is: 30,063.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505.92 : 45,758.96 = 20,042.04 : x
  2. Step 2: Convert to fraction form
    30,505.92/45,758.96 = 20,042.04/x
  3. Step 3: Cross multiply
    30,505.92x = 45,758.96 × 20,042.04
  4. Step 4: Simplify right side
    30,505.92x = 917,102,906.68
  5. Step 5: Solve for x
    x = 917,102,906.68/30,505.92
  6. Step 6: Final answer
    x = 30,063.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.