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Finding the Fourth Proportional to 20,039.52, 30,062.01 and 8,350

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Solution

The fourth proportional to 20,039.52, 30,062.01 and 8,350 is: 12,526.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039.52 : 30,062.01 = 8,350 : x
  2. Step 2: Convert to fraction form
    20,039.52/30,062.01 = 8,350/x
  3. Step 3: Cross multiply
    20,039.52x = 30,062.01 × 8,350
  4. Step 4: Simplify right side
    20,039.52x = 251,017,783.50
  5. Step 5: Solve for x
    x = 251,017,783.50/20,039.52
  6. Step 6: Final answer
    x = 12,526.14

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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.