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Finding the Fourth Proportional to 59,349, 81,910.80 and 33,855.44

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Solution

The fourth proportional to 59,349, 81,910.80 and 33,855.44 is: 46,725.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,349 : 81,910.80 = 33,855.44 : x
  2. Step 2: Convert to fraction form
    59,349/81,910.80 = 33,855.44/x
  3. Step 3: Cross multiply
    59,349x = 81,910.80 × 33,855.44
  4. Step 4: Simplify right side
    59,349x = 2,773,126,174.75
  5. Step 5: Solve for x
    x = 2,773,126,174.75/59,349
  6. Step 6: Final answer
    x = 46,725.74

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1.5x scale

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.