Home / 30,513.39-45,767.34-10,790.97

Finding the Fourth Proportional to 30,513.39, 45,767.34 and 10,790.97

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Solution

The fourth proportional to 30,513.39, 45,767.34 and 10,790.97 is: 16,185.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,513.39 : 45,767.34 = 10,790.97 : x
  2. Step 2: Convert to fraction form
    30,513.39/45,767.34 = 10,790.97/x
  3. Step 3: Cross multiply
    30,513.39x = 45,767.34 × 10,790.97
  4. Step 4: Simplify right side
    30,513.39x = 493,873,992.92
  5. Step 5: Solve for x
    x = 493,873,992.92/30,513.39
  6. Step 6: Final answer
    x = 16,185.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.