Home / 34,012.71-46,926.34-20,578.86

Finding the Fourth Proportional to 34,012.71, 46,926.34 and 20,578.86

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Solution

The fourth proportional to 34,012.71, 46,926.34 and 20,578.86 is: 28,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,012.71 : 46,926.34 = 20,578.86 : x
  2. Step 2: Convert to fraction form
    34,012.71/46,926.34 = 20,578.86/x
  3. Step 3: Cross multiply
    34,012.71x = 46,926.34 × 20,578.86
  4. Step 4: Simplify right side
    34,012.71x = 965,690,529.73
  5. Step 5: Solve for x
    x = 965,690,529.73/34,012.71
  6. Step 6: Final answer
    x = 28,392.05

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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.