Home / 30,601.62-42,231.07-17,173.69

Finding the Fourth Proportional to 30,601.62, 42,231.07 and 17,173.69

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Solution

The fourth proportional to 30,601.62, 42,231.07 and 17,173.69 is: 23,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,601.62 : 42,231.07 = 17,173.69 : x
  2. Step 2: Convert to fraction form
    30,601.62/42,231.07 = 17,173.69/x
  3. Step 3: Cross multiply
    30,601.62x = 42,231.07 × 17,173.69
  4. Step 4: Simplify right side
    30,601.62x = 725,263,304.55
  5. Step 5: Solve for x
    x = 725,263,304.55/30,601.62
  6. Step 6: Final answer
    x = 23,700.16

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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.