Home / 41,397.45-57,019.65-31,819.02

Finding the Fourth Proportional to 41,397.45, 57,019.65 and 31,819.02

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Solution

The fourth proportional to 41,397.45, 57,019.65 and 31,819.02 is: 43,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,397.45 : 57,019.65 = 31,819.02 : x
  2. Step 2: Convert to fraction form
    41,397.45/57,019.65 = 31,819.02/x
  3. Step 3: Cross multiply
    41,397.45x = 57,019.65 × 31,819.02
  4. Step 4: Simplify right side
    41,397.45x = 1,814,309,383.74
  5. Step 5: Solve for x
    x = 1,814,309,383.74/41,397.45
  6. Step 6: Final answer
    x = 43,826.60

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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.