Home / 31,800.87-43,884.99-17,653.77

Finding the Fourth Proportional to 31,800.87, 43,884.99 and 17,653.77

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Solution

The fourth proportional to 31,800.87, 43,884.99 and 17,653.77 is: 24,362.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,800.87 : 43,884.99 = 17,653.77 : x
  2. Step 2: Convert to fraction form
    31,800.87/43,884.99 = 17,653.77/x
  3. Step 3: Cross multiply
    31,800.87x = 43,884.99 × 17,653.77
  4. Step 4: Simplify right side
    31,800.87x = 774,735,519.91
  5. Step 5: Solve for x
    x = 774,735,519.91/31,800.87
  6. Step 6: Final answer
    x = 24,362.09

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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.