Home / 47,771.97-65,943.69-31,850.61

Finding the Fourth Proportional to 47,771.97, 65,943.69 and 31,850.61

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Solution

The fourth proportional to 47,771.97, 65,943.69 and 31,850.61 is: 43,966.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,771.97 : 65,943.69 = 31,850.61 : x
  2. Step 2: Convert to fraction form
    47,771.97/65,943.69 = 31,850.61/x
  3. Step 3: Cross multiply
    47,771.97x = 65,943.69 × 31,850.61
  4. Step 4: Simplify right side
    47,771.97x = 2,100,346,263.18
  5. Step 5: Solve for x
    x = 2,100,346,263.18/47,771.97
  6. Step 6: Final answer
    x = 43,966.08

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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.