Home / 30,671.62-42,327.66-17,244.10

Finding the Fourth Proportional to 30,671.62, 42,327.66 and 17,244.10

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Solution

The fourth proportional to 30,671.62, 42,327.66 and 17,244.10 is: 23,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,671.62 : 42,327.66 = 17,244.10 : x
  2. Step 2: Convert to fraction form
    30,671.62/42,327.66 = 17,244.10/x
  3. Step 3: Cross multiply
    30,671.62x = 42,327.66 × 17,244.10
  4. Step 4: Simplify right side
    30,671.62x = 729,902,401.81
  5. Step 5: Solve for x
    x = 729,902,401.81/30,671.62
  6. Step 6: Final answer
    x = 23,797.32

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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.