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Finding the Fourth Proportional to 59,153.70, 81,631.03 and 33,659.51

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Solution

The fourth proportional to 59,153.70, 81,631.03 and 33,659.51 is: 46,449.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,153.70 : 81,631.03 = 33,659.51 : x
  2. Step 2: Convert to fraction form
    59,153.70/81,631.03 = 33,659.51/x
  3. Step 3: Cross multiply
    59,153.70x = 81,631.03 × 33,659.51
  4. Step 4: Simplify right side
    59,153.70x = 2,747,660,470.60
  5. Step 5: Solve for x
    x = 2,747,660,470.60/59,153.70
  6. Step 6: Final answer
    x = 46,449.51

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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.