Home / 30,662.14-42,314.17-17,232.60

Finding the Fourth Proportional to 30,662.14, 42,314.17 and 17,232.60

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Solution

The fourth proportional to 30,662.14, 42,314.17 and 17,232.60 is: 23,781.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,662.14 : 42,314.17 = 17,232.60 : x
  2. Step 2: Convert to fraction form
    30,662.14/42,314.17 = 17,232.60/x
  3. Step 3: Cross multiply
    30,662.14x = 42,314.17 × 17,232.60
  4. Step 4: Simplify right side
    30,662.14x = 729,183,165.94
  5. Step 5: Solve for x
    x = 729,183,165.94/30,662.14
  6. Step 6: Final answer
    x = 23,781.22

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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.