Home / 29,578.40-40,818.71-16,149.77

Finding the Fourth Proportional to 29,578.40, 40,818.71 and 16,149.77

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Solution

The fourth proportional to 29,578.40, 40,818.71 and 16,149.77 is: 22,286.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,578.40 : 40,818.71 = 16,149.77 : x
  2. Step 2: Convert to fraction form
    29,578.40/40,818.71 = 16,149.77/x
  3. Step 3: Cross multiply
    29,578.40x = 40,818.71 × 16,149.77
  4. Step 4: Simplify right side
    29,578.40x = 659,212,778.20
  5. Step 5: Solve for x
    x = 659,212,778.20/29,578.40
  6. Step 6: Final answer
    x = 22,286.97

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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.