Home / 62,910.31-86,816.84-34,616.61

Finding the Fourth Proportional to 62,910.31, 86,816.84 and 34,616.61

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Solution

The fourth proportional to 62,910.31, 86,816.84 and 34,616.61 is: 47,771.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,910.31 : 86,816.84 = 34,616.61 : x
  2. Step 2: Convert to fraction form
    62,910.31/86,816.84 = 34,616.61/x
  3. Step 3: Cross multiply
    62,910.31x = 86,816.84 × 34,616.61
  4. Step 4: Simplify right side
    62,910.31x = 3,005,304,474.67
  5. Step 5: Solve for x
    x = 3,005,304,474.67/62,910.31
  6. Step 6: Final answer
    x = 47,771.25

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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.