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Finding the Fourth Proportional to 59,273.72, 81,803.19 and 35,399.88

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Solution

The fourth proportional to 59,273.72, 81,803.19 and 35,399.88 is: 48,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,273.72 : 81,803.19 = 35,399.88 : x
  2. Step 2: Convert to fraction form
    59,273.72/81,803.19 = 35,399.88/x
  3. Step 3: Cross multiply
    59,273.72x = 81,803.19 × 35,399.88
  4. Step 4: Simplify right side
    59,273.72x = 2,895,822,932.62
  5. Step 5: Solve for x
    x = 2,895,822,932.62/59,273.72
  6. Step 6: Final answer
    x = 48,855.09

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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.