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Finding the Fourth Proportional to 50,644.96, 75,976.35 and 19,477.78

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Solution

The fourth proportional to 50,644.96, 75,976.35 and 19,477.78 is: 29,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,644.96 : 75,976.35 = 19,477.78 : x
  2. Step 2: Convert to fraction form
    50,644.96/75,976.35 = 19,477.78/x
  3. Step 3: Cross multiply
    50,644.96x = 75,976.35 × 19,477.78
  4. Step 4: Simplify right side
    50,644.96x = 1,479,850,630.50
  5. Step 5: Solve for x
    x = 1,479,850,630.50/50,644.96
  6. Step 6: Final answer
    x = 29,220.10

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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.