Home / 29,578.51-40,818.11-16,149.75

Finding the Fourth Proportional to 29,578.51, 40,818.11 and 16,149.75

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Solution

The fourth proportional to 29,578.51, 40,818.11 and 16,149.75 is: 22,286.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,578.51 : 40,818.11 = 16,149.75 : x
  2. Step 2: Convert to fraction form
    29,578.51/40,818.11 = 16,149.75/x
  3. Step 3: Cross multiply
    29,578.51x = 40,818.11 × 16,149.75
  4. Step 4: Simplify right side
    29,578.51x = 659,202,271.97
  5. Step 5: Solve for x
    x = 659,202,271.97/29,578.51
  6. Step 6: Final answer
    x = 22,286.53

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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.