Home / 29,138.76-43,625.04-22,147.20

Finding the Fourth Proportional to 29,138.76, 43,625.04 and 22,147.20

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Solution

The fourth proportional to 29,138.76, 43,625.04 and 22,147.20 is: 33,157.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138.76 : 43,625.04 = 22,147.20 : x
  2. Step 2: Convert to fraction form
    29,138.76/43,625.04 = 22,147.20/x
  3. Step 3: Cross multiply
    29,138.76x = 43,625.04 × 22,147.20
  4. Step 4: Simplify right side
    29,138.76x = 966,172,485.89
  5. Step 5: Solve for x
    x = 966,172,485.89/29,138.76
  6. Step 6: Final answer
    x = 33,157.64

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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.