Home / 43,811.57-65,670.43-31,293.63

Finding the Fourth Proportional to 43,811.57, 65,670.43 and 31,293.63

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Solution

The fourth proportional to 43,811.57, 65,670.43 and 31,293.63 is: 46,906.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,811.57 : 65,670.43 = 31,293.63 : x
  2. Step 2: Convert to fraction form
    43,811.57/65,670.43 = 31,293.63/x
  3. Step 3: Cross multiply
    43,811.57x = 65,670.43 × 31,293.63
  4. Step 4: Simplify right side
    43,811.57x = 2,055,066,138.36
  5. Step 5: Solve for x
    x = 2,055,066,138.36/43,811.57
  6. Step 6: Final answer
    x = 46,906.93

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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.