Home / 30,318.66-41,839.80-17,574.30

Finding the Fourth Proportional to 30,318.66, 41,839.80 and 17,574.30

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Solution

The fourth proportional to 30,318.66, 41,839.80 and 17,574.30 is: 24,252.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,318.66 : 41,839.80 = 17,574.30 : x
  2. Step 2: Convert to fraction form
    30,318.66/41,839.80 = 17,574.30/x
  3. Step 3: Cross multiply
    30,318.66x = 41,839.80 × 17,574.30
  4. Step 4: Simplify right side
    30,318.66x = 735,305,197.14
  5. Step 5: Solve for x
    x = 735,305,197.14/30,318.66
  6. Step 6: Final answer
    x = 24,252.56

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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.