Home / 41,021.43-56,581.26-31,486.11

Finding the Fourth Proportional to 41,021.43, 56,581.26 and 31,486.11

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Solution

The fourth proportional to 41,021.43, 56,581.26 and 31,486.11 is: 43,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,021.43 : 56,581.26 = 31,486.11 : x
  2. Step 2: Convert to fraction form
    41,021.43/56,581.26 = 31,486.11/x
  3. Step 3: Cross multiply
    41,021.43x = 56,581.26 × 31,486.11
  4. Step 4: Simplify right side
    41,021.43x = 1,781,523,776.30
  5. Step 5: Solve for x
    x = 1,781,523,776.30/41,021.43
  6. Step 6: Final answer
    x = 43,429.10

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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.