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Finding the Fourth Proportional to 50,518.77, 75,754.77 and 18,905.39

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Solution

The fourth proportional to 50,518.77, 75,754.77 and 18,905.39 is: 28,349.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,518.77 : 75,754.77 = 18,905.39 : x
  2. Step 2: Convert to fraction form
    50,518.77/75,754.77 = 18,905.39/x
  3. Step 3: Cross multiply
    50,518.77x = 75,754.77 × 18,905.39
  4. Step 4: Simplify right side
    50,518.77x = 1,432,173,092.44
  5. Step 5: Solve for x
    x = 1,432,173,092.44/50,518.77
  6. Step 6: Final answer
    x = 28,349.33

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1.5x scale

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.