Home / 30,795-42,497.22-17,183.62

Finding the Fourth Proportional to 30,795, 42,497.22 and 17,183.62

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Solution

The fourth proportional to 30,795, 42,497.22 and 17,183.62 is: 23,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,795 : 42,497.22 = 17,183.62 : x
  2. Step 2: Convert to fraction form
    30,795/42,497.22 = 17,183.62/x
  3. Step 3: Cross multiply
    30,795x = 42,497.22 × 17,183.62
  4. Step 4: Simplify right side
    30,795x = 730,255,781.13
  5. Step 5: Solve for x
    x = 730,255,781.13/30,795
  6. Step 6: Final answer
    x = 23,713.45

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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.