Home / 62,865.36-86,755.86-34,187

Finding the Fourth Proportional to 62,865.36, 86,755.86 and 34,187

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Solution

The fourth proportional to 62,865.36, 86,755.86 and 34,187 is: 47,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,865.36 : 86,755.86 = 34,187 : x
  2. Step 2: Convert to fraction form
    62,865.36/86,755.86 = 34,187/x
  3. Step 3: Cross multiply
    62,865.36x = 86,755.86 × 34,187
  4. Step 4: Simplify right side
    62,865.36x = 2,965,922,585.82
  5. Step 5: Solve for x
    x = 2,965,922,585.82/62,865.36
  6. Step 6: Final answer
    x = 47,178.96

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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.