Home / 23,942.72-35,945.90-20,455.14

Finding the Fourth Proportional to 23,942.72, 35,945.90 and 20,455.14

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Solution

The fourth proportional to 23,942.72, 35,945.90 and 20,455.14 is: 30,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,942.72 : 35,945.90 = 20,455.14 : x
  2. Step 2: Convert to fraction form
    23,942.72/35,945.90 = 20,455.14/x
  3. Step 3: Cross multiply
    23,942.72x = 35,945.90 × 20,455.14
  4. Step 4: Simplify right side
    23,942.72x = 735,278,314.65
  5. Step 5: Solve for x
    x = 735,278,314.65/23,942.72
  6. Step 6: Final answer
    x = 30,709.90

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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.