Home / 51,747.84-71,419.77-31,616.37

Finding the Fourth Proportional to 51,747.84, 71,419.77 and 31,616.37

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Solution

The fourth proportional to 51,747.84, 71,419.77 and 31,616.37 is: 43,635.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,747.84 : 71,419.77 = 31,616.37 : x
  2. Step 2: Convert to fraction form
    51,747.84/71,419.77 = 31,616.37/x
  3. Step 3: Cross multiply
    51,747.84x = 71,419.77 × 31,616.37
  4. Step 4: Simplify right side
    51,747.84x = 2,258,033,873.63
  5. Step 5: Solve for x
    x = 2,258,033,873.63/51,747.84
  6. Step 6: Final answer
    x = 43,635.33

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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.