Home / 30,943.45-46,415.13-11,221.96

Finding the Fourth Proportional to 30,943.45, 46,415.13 and 11,221.96

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Solution

The fourth proportional to 30,943.45, 46,415.13 and 11,221.96 is: 16,832.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,943.45 : 46,415.13 = 11,221.96 : x
  2. Step 2: Convert to fraction form
    30,943.45/46,415.13 = 11,221.96/x
  3. Step 3: Cross multiply
    30,943.45x = 46,415.13 × 11,221.96
  4. Step 4: Simplify right side
    30,943.45x = 520,868,732.25
  5. Step 5: Solve for x
    x = 520,868,732.25/30,943.45
  6. Step 6: Final answer
    x = 16,832.92

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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.