Home / 29,972.80-41,344.12-17,865.20

Finding the Fourth Proportional to 29,972.80, 41,344.12 and 17,865.20

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Solution

The fourth proportional to 29,972.80, 41,344.12 and 17,865.20 is: 24,643.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,972.80 : 41,344.12 = 17,865.20 : x
  2. Step 2: Convert to fraction form
    29,972.80/41,344.12 = 17,865.20/x
  3. Step 3: Cross multiply
    29,972.80x = 41,344.12 × 17,865.20
  4. Step 4: Simplify right side
    29,972.80x = 738,620,972.62
  5. Step 5: Solve for x
    x = 738,620,972.62/29,972.80
  6. Step 6: Final answer
    x = 24,643.04

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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.