Home / 31,191.94-43,044.82-17,763.20

Finding the Fourth Proportional to 31,191.94, 43,044.82 and 17,763.20

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Solution

The fourth proportional to 31,191.94, 43,044.82 and 17,763.20 is: 24,513.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,191.94 : 43,044.82 = 17,763.20 : x
  2. Step 2: Convert to fraction form
    31,191.94/43,044.82 = 17,763.20/x
  3. Step 3: Cross multiply
    31,191.94x = 43,044.82 × 17,763.20
  4. Step 4: Simplify right side
    31,191.94x = 764,613,486.99
  5. Step 5: Solve for x
    x = 764,613,486.99/31,191.94
  6. Step 6: Final answer
    x = 24,513.18

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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.