Home / 38,961.41-58,442.11-31,219.43

Finding the Fourth Proportional to 38,961.41, 58,442.11 and 31,219.43

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Solution

The fourth proportional to 38,961.41, 58,442.11 and 31,219.43 is: 46,829.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,961.41 : 58,442.11 = 31,219.43 : x
  2. Step 2: Convert to fraction form
    38,961.41/58,442.11 = 31,219.43/x
  3. Step 3: Cross multiply
    38,961.41x = 58,442.11 × 31,219.43
  4. Step 4: Simplify right side
    38,961.41x = 1,824,528,991.94
  5. Step 5: Solve for x
    x = 1,824,528,991.94/38,961.41
  6. Step 6: Final answer
    x = 46,829.14

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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.