Home / 29,540.40-40,768.16-16,797.58

Finding the Fourth Proportional to 29,540.40, 40,768.16 and 16,797.58

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Solution

The fourth proportional to 29,540.40, 40,768.16 and 16,797.58 is: 23,182.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,540.40 : 40,768.16 = 16,797.58 : x
  2. Step 2: Convert to fraction form
    29,540.40/40,768.16 = 16,797.58/x
  3. Step 3: Cross multiply
    29,540.40x = 40,768.16 × 16,797.58
  4. Step 4: Simplify right side
    29,540.40x = 684,806,429.05
  5. Step 5: Solve for x
    x = 684,806,429.05/29,540.40
  6. Step 6: Final answer
    x = 23,182.03

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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.