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Finding the Fourth Proportional to 40,247, 60,373.83 and 12,545

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Solution

The fourth proportional to 40,247, 60,373.83 and 12,545 is: 18,818.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,247 : 60,373.83 = 12,545 : x
  2. Step 2: Convert to fraction form
    40,247/60,373.83 = 12,545/x
  3. Step 3: Cross multiply
    40,247x = 60,373.83 × 12,545
  4. Step 4: Simplify right side
    40,247x = 757,389,697.35
  5. Step 5: Solve for x
    x = 757,389,697.35/40,247
  6. Step 6: Final answer
    x = 18,818.54

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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.