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Finding the Fourth Proportional to 62,581.36, 86,365.92 and 35,732.29

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Solution

The fourth proportional to 62,581.36, 86,365.92 and 35,732.29 is: 49,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,581.36 : 86,365.92 = 35,732.29 : x
  2. Step 2: Convert to fraction form
    62,581.36/86,365.92 = 35,732.29/x
  3. Step 3: Cross multiply
    62,581.36x = 86,365.92 × 35,732.29
  4. Step 4: Simplify right side
    62,581.36x = 3,086,052,079.08
  5. Step 5: Solve for x
    x = 3,086,052,079.08/62,581.36
  6. Step 6: Final answer
    x = 49,312.64

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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.