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Finding the Fourth Proportional to 55,306.37, 82,959.51 and 13,753.37

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Solution

The fourth proportional to 55,306.37, 82,959.51 and 13,753.37 is: 20,630.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,306.37 : 82,959.51 = 13,753.37 : x
  2. Step 2: Convert to fraction form
    55,306.37/82,959.51 = 13,753.37/x
  3. Step 3: Cross multiply
    55,306.37x = 82,959.51 × 13,753.37
  4. Step 4: Simplify right side
    55,306.37x = 1,140,972,836.05
  5. Step 5: Solve for x
    x = 1,140,972,836.05/55,306.37
  6. Step 6: Final answer
    x = 20,630.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.