Home / 30,217.20-41,720.04-23,130.96

Finding the Fourth Proportional to 30,217.20, 41,720.04 and 23,130.96

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Solution

The fourth proportional to 30,217.20, 41,720.04 and 23,130.96 is: 31,936.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,217.20 : 41,720.04 = 23,130.96 : x
  2. Step 2: Convert to fraction form
    30,217.20/41,720.04 = 23,130.96/x
  3. Step 3: Cross multiply
    30,217.20x = 41,720.04 × 23,130.96
  4. Step 4: Simplify right side
    30,217.20x = 965,024,576.44
  5. Step 5: Solve for x
    x = 965,024,576.44/30,217.20
  6. Step 6: Final answer
    x = 31,936.27

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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.