Home / 29,108.88-40,170.04-17,172.24

Finding the Fourth Proportional to 29,108.88, 40,170.04 and 17,172.24

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Solution

The fourth proportional to 29,108.88, 40,170.04 and 17,172.24 is: 23,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,108.88 : 40,170.04 = 17,172.24 : x
  2. Step 2: Convert to fraction form
    29,108.88/40,170.04 = 17,172.24/x
  3. Step 3: Cross multiply
    29,108.88x = 40,170.04 × 17,172.24
  4. Step 4: Simplify right side
    29,108.88x = 689,809,567.69
  5. Step 5: Solve for x
    x = 689,809,567.69/29,108.88
  6. Step 6: Final answer
    x = 23,697.56

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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.