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Finding the Fourth Proportional to 29,742.42, 44,620.42 and 17,272.86

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Solution

The fourth proportional to 29,742.42, 44,620.42 and 17,272.86 is: 25,913.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,742.42 : 44,620.42 = 17,272.86 : x
  2. Step 2: Convert to fraction form
    29,742.42/44,620.42 = 17,272.86/x
  3. Step 3: Cross multiply
    29,742.42x = 44,620.42 × 17,272.86
  4. Step 4: Simplify right side
    29,742.42x = 770,722,267.80
  5. Step 5: Solve for x
    x = 770,722,267.80/29,742.42
  6. Step 6: Final answer
    x = 25,913.23

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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.